634576 has 20 divisors (see below), whose sum is σ = 1302372. Its totient is φ = 298496.

The previous prime is 634573. The next prime is 634577. The reversal of 634576 is 675436.

634576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 360000 + 274576 = 600^2 + 524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895 + ... + 1438.

2⁶³⁴⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

634576 is an abundant number, since it is smaller than the sum of its proper divisors (667796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634576 is a wasteful number, since it uses less digits than its factorization.

634576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 2352 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 634576 is about 796.6027868392. The cubic root of 634576 is about 85.9332454753.

The spelling of 634576 in words is "six hundred thirty-four thousand, five hundred seventy-six".