634068416 has 28 divisors (see below), whose sum is σ = 1312938192. Its totient is φ = 303249408.

The previous prime is 634068367. The next prime is 634068443. The reversal of 634068416 is 614860436.

It is a self number, because there is not a number n which added to its sum of digits gives 634068416.

It is a congruent 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, 213905 + ... + 216848.

Almost surely, 2^634068416 is an apocalyptic number.

It is an amenable number.

634068416 is an abundant number, since it is smaller than the sum of its proper divisors (678869776).

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

634068416 is a wasteful number, since it uses less digits than its factorization.

634068416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430788 (or 430778 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 634068416 is about 25180.7151606145. The cubic root of 634068416 is about 859.1032729823.

The spelling of 634068416 in words is "six hundred thirty-four million, sixty-eight thousand, four hundred sixteen".