194818740 has 96 divisors (see below), whose sum is σ = 576737280. Its totient is φ = 49036416.

The previous prime is 194818739. The next prime is 194818753. The reversal of 194818740 is 47818491.

It is a junction number, because it is equal to n+sod(n) for n = 194818692 and 194818701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108127 + ... + 109913.

It is an arithmetic number, because the mean of its divisors is an integer number (6007680).

Almost surely, 2^194818740 is an apocalyptic number.

194818740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194818740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288368640).

194818740 is an abundant number, since it is smaller than the sum of its proper divisors (381918540).

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

194818740 is a wasteful number, since it uses less digits than its factorization.

194818740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 194818740 is about 13957.7483857533. The cubic root of 194818740 is about 579.7092676879.

The spelling of 194818740 in words is "one hundred ninety-four million, eight hundred eighteen thousand, seven hundred forty".