632864442 has 32 divisors (see below), whose sum is σ = 1493213184. Its totient is φ = 174985200.

The previous prime is 632864429. The next prime is 632864443. The reversal of 632864442 is 244468236.

It is a self number, because there is not a number n which added to its sum of digits gives 632864442.

It is not an unprimeable number, because it can be changed into a prime (632864443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241734 + ... + 244337.

It is an arithmetic number, because the mean of its divisors is an integer number (46662912).

Almost surely, 2^632864442 is an apocalyptic number.

632864442 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

632864442 is an abundant number, since it is smaller than the sum of its proper divisors (860348742).

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

632864442 is a wasteful number, since it uses less digits than its factorization.

632864442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486114.

The product of its digits is 221184, while the sum is 39.

The square root of 632864442 is about 25156.7971331805. The cubic root of 632864442 is about 858.5591711478.

The spelling of 632864442 in words is "six hundred thirty-two million, eight hundred sixty-four thousand, four hundred forty-two".