632399994 has 32 divisors (see below), whose sum is σ = 1409618880. Its totient is φ = 210157200.

The previous prime is 632399987. The next prime is 632400001. The reversal of 632399994 is 499993236.

632399994 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 (632399987) and next prime (632400001).

It is a super-2 number, since 2×632399994² = 799859504822400072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 632399994.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184 + ... + 35564.

It is an arithmetic number, because the mean of its divisors is an integer number (44050590).

Almost surely, 2^632399994 is an apocalyptic number.

632399994 is an abundant number, since it is smaller than the sum of its proper divisors (777218886).

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

632399994 is a wasteful number, since it uses less digits than its factorization.

632399994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35723 (or 35717 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 54.

The square root of 632399994 is about 25147.5643751040. The cubic root of 632399994 is about 858.3490926276.

The spelling of 632399994 in words is "six hundred thirty-two million, three hundred ninety-nine thousand, nine hundred ninety-four".