634353404 has 12 divisors (see below), whose sum is σ = 1120303800. Its totient is φ = 314266608.

The previous prime is 634353397. The next prime is 634353439. The reversal of 634353404 is 404353436.

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, 727034 + ... + 727905.

It is an arithmetic number, because the mean of its divisors is an integer number (93358650).

Almost surely, 2^634353404 is an apocalyptic number.

It is an amenable number.

634353404 is a deficient number, since it is larger than the sum of its proper divisors (485950396).

634353404 is a wasteful number, since it uses less digits than its factorization.

634353404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455052 (or 1455050 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 634353404 is about 25186.3733792700. The cubic root of 634353404 is about 859.2319643798.

Adding to 634353404 its sum of digits (32), we get a palindrome (634353436).

The spelling of 634353404 in words is "six hundred thirty-four million, three hundred fifty-three thousand, four hundred four".