63390924 has 42 divisors (see below), whose sum is σ = 166332740. Its totient is φ = 21129336.

The previous prime is 63390923. The next prime is 63390931. The reversal of 63390924 is 42909336.

It is a happy number.

63390924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (63390923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7954 + ... + 13785.

Almost surely, 2^63390924 is an apocalyptic number.

It is an amenable number.

63390924 is an abundant number, since it is smaller than the sum of its proper divisors (102941816).

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

63390924 is a wasteful number, since it uses less digits than its factorization.

63390924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21761 (or 21744 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 63390924 is about 7961.8417467317. The cubic root of 63390924 is about 398.7270449274.

The spelling of 63390924 in words is "sixty-three million, three hundred ninety thousand, nine hundred twenty-four".