634032832 has 56 divisors (see below), whose sum is σ = 1304170112. Its totient is φ = 305510400.

The previous prime is 634032809. The next prime is 634032871. The reversal of 634032832 is 238230436.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 634032794 and 634032803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620482 + ... + 621502.

It is an arithmetic number, because the mean of its divisors is an integer number (23288752).

Almost surely, 2^634032832 is an apocalyptic number.

634032832 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634032832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652085056).

634032832 is an abundant number, since it is smaller than the sum of its proper divisors (670137280).

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

634032832 is a wasteful number, since it uses less digits than its factorization.

634032832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 634032832 is about 25180.0085782352. The cubic root of 634032832 is about 859.0872016868.

The spelling of 634032832 in words is "six hundred thirty-four million, thirty-two thousand, eight hundred thirty-two".