629986032 has 120 divisors (see below), whose sum is σ = 1958319600. Its totient is φ = 193819392.

The previous prime is 629986009. The next prime is 629986057. The reversal of 629986032 is 230689926.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68694 + ... + 77322.

It is an arithmetic number, because the mean of its divisors is an integer number (16319330).

Almost surely, 2^629986032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629986032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979159800).

629986032 is an abundant number, since it is smaller than the sum of its proper divisors (1328333568).

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

629986032 is a wasteful number, since it uses less digits than its factorization.

629986032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672 (or 8647 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 629986032 is about 25099.5225452597. The cubic root of 629986032 is about 857.2555526109.

The spelling of 629986032 in words is "six hundred twenty-nine million, nine hundred eighty-six thousand, thirty-two".