634315 has 16 divisors (see below), whose sum is σ = 875520. Its totient is φ = 436320.

The previous prime is 634313. The next prime is 634327. The reversal of 634315 is 513436.

It is not a de Polignac number, because 634315 - 2¹ = 634313 is a prime.

634315 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (634313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (54720).

2⁶³⁴³¹⁵ is an apocalyptic number.

634315 is a deficient number, since it is larger than the sum of its proper divisors (241205).

634315 is a wasteful number, since it uses less digits than its factorization.

634315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its digits is 1080, while the sum is 22.

The square root of 634315 is about 796.4389493238. The cubic root of 634315 is about 85.9214624618.

It can be divided in two parts, 63431 and 5, that added together give a palindrome (63436).

The spelling of 634315 in words is "six hundred thirty-four thousand, three hundred fifteen".