63396920 has 32 divisors (see below), whose sum is σ = 150152400. Its totient is φ = 24023808.

The previous prime is 63396917. The next prime is 63396943. The reversal of 63396920 is 2969336.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 40949 + ... + 42468.

Almost surely, 2^63396920 is an apocalyptic number.

It is an amenable number.

63396920 is an abundant number, since it is smaller than the sum of its proper divisors (86755480).

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

63396920 is a wasteful number, since it uses less digits than its factorization.

63396920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83447 (or 83443 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 38.

The square root of 63396920 is about 7962.2182838704. The cubic root of 63396920 is about 398.7396160856.

The spelling of 63396920 in words is "sixty-three million, three hundred ninety-six thousand, nine hundred twenty".