195094638 has 24 divisors (see below), whose sum is σ = 423142200. Its totient is φ = 64964304.

The previous prime is 195094607. The next prime is 195094649. The reversal of 195094638 is 836490591.

It is a happy number.

195094638 is a `hidden beast` number, since 1 + 9 + 5 + 0 + 9 + 4 + 638 = 666.

195094638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 195094593 and 195094602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14173 + ... + 24311.

It is an arithmetic number, because the mean of its divisors is an integer number (17630925).

Almost surely, 2^195094638 is an apocalyptic number.

195094638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

195094638 is an abundant number, since it is smaller than the sum of its proper divisors (228047562).

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

195094638 is a wasteful number, since it uses less digits than its factorization.

195094638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11216 (or 11213 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 195094638 is about 13967.6282167016. The cubic root of 195094638 is about 579.9827957640.

The spelling of 195094638 in words is "one hundred ninety-five million, ninety-four thousand, six hundred thirty-eight".