634698234 has 32 divisors (see below), whose sum is σ = 1459080000. Its totient is φ = 204270192.

The previous prime is 634698221. The next prime is 634698277. The reversal of 634698234 is 432896436.

634698234 is a `hidden beast` number, since 634 + 6 + 9 + 8 + 2 + 3 + 4 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 634698234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201084 + ... + 204215.

It is an arithmetic number, because the mean of its divisors is an integer number (45596250).

Almost surely, 2^634698234 is an apocalyptic number.

634698234 is an abundant number, since it is smaller than the sum of its proper divisors (824381766).

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

634698234 is a wasteful number, since it uses less digits than its factorization.

634698234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405339 (or 405333 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 634698234 is about 25193.2180159661. The cubic root of 634698234 is about 859.3876269730.

The spelling of 634698234 in words is "six hundred thirty-four million, six hundred ninety-eight thousand, two hundred thirty-four".