632644 has 6 divisors (see below), whose sum is σ = 1107134. Its totient is φ = 316320.

The previous prime is 632629. The next prime is 632647. The reversal of 632644 is 446236.

It can be written as a sum of positive squares in only one way, i.e., 518400 + 114244 = 720^2 + 338^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (632647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79077 + ... + 79084.

2⁶³²⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

632644 is a deficient number, since it is larger than the sum of its proper divisors (474490).

632644 is a wasteful number, since it uses less digits than its factorization.

632644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158165 (or 158163 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 632644 is about 795.3892129015. The cubic root of 632644 is about 85.8459473926.

The spelling of 632644 in words is "six hundred thirty-two thousand, six hundred forty-four".