63385392 has 80 divisors (see below), whose sum is σ = 189844992. Its totient is φ = 17848320.

The previous prime is 63385373. The next prime is 63385423. The reversal of 63385392 is 29358336.

It is a self number, because there is not a number n which added to its sum of digits gives 63385392.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22528 + ... + 25184.

Almost surely, 2^63385392 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 63385392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94922496).

63385392 is an abundant number, since it is smaller than the sum of its proper divisors (126459600).

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

63385392 is a wasteful number, since it uses less digits than its factorization.

63385392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746 (or 2740 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 63385392 is about 7961.4943320962. The cubic root of 63385392 is about 398.7154458843.

The spelling of 63385392 in words is "sixty-three million, three hundred eighty-five thousand, three hundred ninety-two".