194805000 has 400 divisors, whose sum is σ = 754117980. Its totient is φ = 46656000.

The previous prime is 194804971. The next prime is 194805001. The reversal of 194805000 is 508491.

194805000 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 10 ways, for example, as 12068676 + 182736324 = 3474^2 + 13518^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (194805001) by changing a digit.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 5264982 + ... + 5265018.

Almost surely, 2^194805000 is an apocalyptic number.

194805000 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 194805000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377058990).

194805000 is an abundant number, since it is smaller than the sum of its proper divisors (559312980).

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

194805000 is a wasteful number, since it uses less digits than its factorization.

194805000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 194805000 is about 13957.2561773437. The cubic root of 194805000 is about 579.6956389637.

The spelling of 194805000 in words is "one hundred ninety-four million, eight hundred five thousand".