38630560 has 24 divisors (see below), whose sum is σ = 91265076. Its totient is φ = 15452160.

The previous prime is 38630551. The next prime is 38630561. The reversal of 38630560 is 6503683.

It can be written as a sum of positive squares in 2 ways, for example, as 38588944 + 41616 = 6212^2 + 204^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38630561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120561 + ... + 120880.

Almost surely, 2^38630560 is an apocalyptic number.

It is an amenable number.

38630560 is an abundant number, since it is smaller than the sum of its proper divisors (52634516).

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

38630560 is a wasteful number, since it uses less digits than its factorization.

38630560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241456 (or 241448 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 38630560 is about 6215.3487432324. The cubic root of 38630560 is about 338.0469339492.

The spelling of 38630560 in words is "thirty-eight million, six hundred thirty thousand, five hundred sixty".