634395354 has 8 divisors (see below), whose sum is σ = 1268790720. Its totient is φ = 211465116.

The previous prime is 634395347. The next prime is 634395371. The reversal of 634395354 is 453593436.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

634395354 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52866274 + ... + 52866285.

It is an arithmetic number, because the mean of its divisors is an integer number (158598840).

Almost surely, 2^634395354 is an apocalyptic number.

634395354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

634395354 is a wasteful number, since it uses less digits than its factorization.

634395354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105732564.

The product of its digits is 583200, while the sum is 42.

The square root of 634395354 is about 25187.2061570949. The cubic root of 634395354 is about 859.2509043935.

The spelling of 634395354 in words is "six hundred thirty-four million, three hundred ninety-five thousand, three hundred fifty-four".