634343406 has 32 divisors (see below), whose sum is σ = 1358428320. Its totient is φ = 196770816.

The previous prime is 634343393. The next prime is 634343441. The reversal of 634343406 is 604343436.

It is a congruent number.

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, 25861 + ... + 44016.

It is an arithmetic number, because the mean of its divisors is an integer number (42450885).

Almost surely, 2^634343406 is an apocalyptic number.

634343406 is an abundant number, since it is smaller than the sum of its proper divisors (724084914).

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

634343406 is a wasteful number, since it uses less digits than its factorization.

634343406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69988.

The product of its (nonzero) digits is 62208, while the sum is 33.

The square root of 634343406 is about 25186.1748981460. The cubic root of 634343406 is about 859.2274502577.

The spelling of 634343406 in words is "six hundred thirty-four million, three hundred forty-three thousand, four hundred six".