632696428 has 96 divisors (see below), whose sum is σ = 1464512000. Its totient is φ = 236996928.

The previous prime is 632696417. The next prime is 632696431. The reversal of 632696428 is 824696236.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337951 + ... + 339817.

Almost surely, 2^632696428 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 632696428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732256000).

632696428 is an abundant number, since it is smaller than the sum of its proper divisors (831815572).

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

632696428 is a wasteful number, since it uses less digits than its factorization.

632696428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924 (or 1908 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The square root of 632696428 is about 25153.4575754507. The cubic root of 632696428 is about 858.4831871412.

The spelling of 632696428 in words is "six hundred thirty-two million, six hundred ninety-six thousand, four hundred twenty-eight".