634472 has 8 divisors (see below), whose sum is σ = 1189650. Its totient is φ = 317232.

The previous prime is 634471. The next prime is 634483. The reversal of 634472 is 274436.

It is a happy number.

634472 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 only one way, i.e., 417316 + 217156 = 646^2 + 466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 39647 + ... + 39662.

2⁶³⁴⁴⁷² is an apocalyptic number.

It is an amenable number.

634472 is a deficient number, since it is larger than the sum of its proper divisors (555178).

634472 is a wasteful number, since it uses less digits than its factorization.

634472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79315 (or 79311 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 634472 is about 796.5375069637. The cubic root of 634472 is about 85.9285507155.

The spelling of 634472 in words is "six hundred thirty-four thousand, four hundred seventy-two".