438632 has 8 divisors (see below), whose sum is σ = 822450. Its totient is φ = 219312.

The previous prime is 438631. The next prime is 438637. The reversal of 438632 is 236834.

It can be written as a sum of positive squares in only one way, i.e., 417316 + 21316 = 646^2 + 146^2 .

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 (438631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27407 + ... + 27422.

2⁴³⁸⁶³² is an apocalyptic number.

It is an amenable number.

438632 is a deficient number, since it is larger than the sum of its proper divisors (383818).

438632 is a wasteful number, since it uses less digits than its factorization.

438632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54835 (or 54831 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 438632 is about 662.2929865248. The cubic root of 438632 is about 75.9801425498.

The spelling of 438632 in words is "four hundred thirty-eight thousand, six hundred thirty-two".