6363920 has 20 divisors (see below), whose sum is σ = 14796300. Its totient is φ = 2545536.

The previous prime is 6363919. The next prime is 6363923. The reversal of 6363920 is 293636.

It can be written as a sum of positive squares in 2 ways, for example, as 4999696 + 1364224 = 2236^2 + 1168^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (6363923) 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, 39695 + ... + 39854.

It is an arithmetic number, because the mean of its divisors is an integer number (739815).

Almost surely, 2^6363920 is an apocalyptic number.

It is an amenable number.

6363920 is an abundant number, since it is smaller than the sum of its proper divisors (8432380).

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

6363920 is a wasteful number, since it uses less digits than its factorization.

6363920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79562 (or 79556 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 6363920 is about 2522.6811134188. The cubic root of 6363920 is about 185.3140028951.

The spelling of 6363920 in words is "six million, three hundred sixty-three thousand, nine hundred twenty".