634354 has 12 divisors (see below), whose sum is σ = 1107054. Its totient is φ = 271824.

The previous prime is 634343. The next prime is 634367. The reversal of 634354 is 453436.

It can be written as a sum of positive squares in only one way, i.e., 603729 + 30625 = 777^2 + 175^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3139 + ... + 3334.

2⁶³⁴³⁵⁴ is an apocalyptic number.

634354 is a deficient number, since it is larger than the sum of its proper divisors (472700).

634354 is a wasteful number, since it uses less digits than its factorization.

634354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6489 (or 6482 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 634354 is about 796.4634329334. The cubic root of 634354 is about 85.9232233474.

The spelling of 634354 in words is "six hundred thirty-four thousand, three hundred fifty-four".