38115530 has 16 divisors (see below), whose sum is σ = 72644040. Its totient is φ = 14349312.

The previous prime is 38115529. The next prime is 38115551. The reversal of 38115530 is 3551183.

It can be written as a sum of positive squares in 4 ways, for example, as 31618129 + 6497401 = 5623^2 + 2549^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38115530.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 111935 + ... + 112274.

Almost surely, 2^38115530 is an apocalyptic number.

38115530 is a deficient number, since it is larger than the sum of its proper divisors (34528510).

38115530 is a wasteful number, since it uses less digits than its factorization.

38115530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224233.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 38115530 is about 6173.7776118030. Note that the first 3 decimals coincide. The cubic root of 38115530 is about 336.5379056451.

The spelling of 38115530 in words is "thirty-eight million, one hundred fifteen thousand, five hundred thirty".