634834 has 12 divisors (see below), whose sum is σ = 979146. Its totient is φ = 308672.

The previous prime is 634817. The next prime is 634841. The reversal of 634834 is 438436.

It can be written as a sum of positive squares in 3 ways, for example, as 494209 + 140625 = 703^2 + 375^2 .

It is a d-powerful number, because it can be written as 6⁶ + 3⁸ + 8⁵ + 4⁵ + 3¹² + 4⁷ .

It is a congruent number.

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, 5562 + ... + 5674.

2⁶³⁴⁸³⁴ is an apocalyptic number.

634834 is a deficient number, since it is larger than the sum of its proper divisors (344312).

634834 is a wasteful number, since it uses less digits than its factorization.

634834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 168 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 634834 is about 796.7647080538. The cubic root of 634834 is about 85.9448898769.

The spelling of 634834 in words is "six hundred thirty-four thousand, eight hundred thirty-four".