632556 has 24 divisors (see below), whose sum is σ = 1640240. Its totient is φ = 210816.

The previous prime is 632521. The next prime is 632557. The reversal of 632556 is 655236.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (632557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2821 + ... + 3036.

2⁶³²⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

632556 is an abundant number, since it is smaller than the sum of its proper divisors (1007684).

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

632556 is a wasteful number, since it uses less digits than its factorization.

632556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870 (or 5862 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 632556 is about 795.3338921484. Note that the first 3 decimals coincide. The cubic root of 632556 is about 85.8419668529.

It can be divided in two parts, 63 and 2556, that multiplied together give a triangular number (161028 = T₅₆₇).

The spelling of 632556 in words is "six hundred thirty-two thousand, five hundred fifty-six".