634475 has 12 divisors (see below), whose sum is σ = 807240. Its totient is φ = 494400.

The previous prime is 634471. The next prime is 634483. The reversal of 634475 is 574436.

It is not a de Polignac number, because 634475 - 2² = 634471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 716 + ... + 1334.

It is an arithmetic number, because the mean of its divisors is an integer number (67270).

2⁶³⁴⁴⁷⁵ is an apocalyptic number.

634475 is a deficient number, since it is larger than the sum of its proper divisors (172765).

634475 is a wasteful number, since it uses less digits than its factorization.

634475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 665 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 634475 is about 796.5393901120. The cubic root of 634475 is about 85.9286861484.

It can be divided in two parts, 6344 and 75, that multiplied together give a triangular number (475800 = T₉₇₅).

The spelling of 634475 in words is "six hundred thirty-four thousand, four hundred seventy-five".