195904392 has 32 divisors (see below), whose sum is σ = 494260800. Its totient is φ = 64701504.

The previous prime is 195904369. The next prime is 195904393. The reversal of 195904392 is 293409591.

It is not an unprimeable number, because it can be changed into a prime (195904393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34828 + ... + 40059.

It is an arithmetic number, because the mean of its divisors is an integer number (15445650).

Almost surely, 2^195904392 is an apocalyptic number.

195904392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195904392 is an abundant number, since it is smaller than the sum of its proper divisors (298356408).

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

195904392 is a wasteful number, since it uses less digits than its factorization.

195904392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75005 (or 75001 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 195904392 is about 13996.5850120663. The cubic root of 195904392 is about 580.7841079290.

The spelling of 195904392 in words is "one hundred ninety-five million, nine hundred four thousand, three hundred ninety-two".