194823108 has 18 divisors (see below), whose sum is σ = 492469614. Its totient is φ = 64941024.

The previous prime is 194823107. The next prime is 194823119. The reversal of 194823108 is 801328491.

194823108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 193265604 + 1557504 = 13902^2 + 1248^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5411753 = 194823108 / (1 + 9 + 4 + 8 + 2 + 3 + 1 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (194823107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2705841 + ... + 2705912.

It is an arithmetic number, because the mean of its divisors is an integer number (27359423).

Almost surely, 2^194823108 is an apocalyptic number.

194823108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

194823108 is an abundant number, since it is smaller than the sum of its proper divisors (297646506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194823108 is a wasteful number, since it uses less digits than its factorization.

194823108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411763 (or 5411758 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 194823108 is about 13957.9048571052. The cubic root of 194823108 is about 579.7136001786.

The spelling of 194823108 in words is "one hundred ninety-four million, eight hundred twenty-three thousand, one hundred eight".