632628 has 18 divisors (see below), whose sum is σ = 1599234. Its totient is φ = 210864.

The previous prime is 632627. The next prime is 632629. The reversal of 632628 is 826236.

632628 is a `hidden beast` number, since 6 + 32 + 628 = 666.

632628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (632627) and next prime (632629).

It can be written as a sum of positive squares in only one way, i.e., 580644 + 51984 = 762^2 + 228^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8751 + ... + 8822.

2⁶³²⁶²⁸ is an apocalyptic number.

It is an amenable number.

632628 is an abundant number, since it is smaller than the sum of its proper divisors (966606).

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

632628 is a wasteful number, since it uses less digits than its factorization.

632628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17583 (or 17578 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 632628 is about 795.3791548689. The cubic root of 632628 is about 85.8452236856.

The spelling of 632628 in words is "six hundred thirty-two thousand, six hundred twenty-eight".