632920 has 16 divisors (see below), whose sum is σ = 1424160. Its totient is φ = 253152.

The previous prime is 632911. The next prime is 632923. The reversal of 632920 is 29236.

It is a junction number, because it is equal to n+sod(n) for n = 632891 and 632900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7872 + ... + 7951.

It is an arithmetic number, because the mean of its divisors is an integer number (89010).

2⁶³²⁹²⁰ is an apocalyptic number.

It is an amenable number.

632920 is an abundant number, since it is smaller than the sum of its proper divisors (791240).

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

632920 is a wasteful number, since it uses less digits than its factorization.

632920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15834 (or 15830 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 632920 is about 795.5626939469. The cubic root of 632920 is about 85.8584294187.

The spelling of 632920 in words is "six hundred thirty-two thousand, nine hundred twenty".