38005530 has 16 divisors (see below), whose sum is σ = 91213344. Its totient is φ = 10134800.

The previous prime is 38005511. The next prime is 38005537. The reversal of 38005530 is 3550083.

38005530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38005530.

It is not an unprimeable number, because it can be changed into a prime (38005537) 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 7 ways as a sum of consecutive naturals, for example, 633396 + ... + 633455.

It is an arithmetic number, because the mean of its divisors is an integer number (5700834).

Almost surely, 2^38005530 is an apocalyptic number.

38005530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38005530 is an abundant number, since it is smaller than the sum of its proper divisors (53207814).

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

38005530 is a wasteful number, since it uses less digits than its factorization.

38005530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266861.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 38005530 is about 6164.8625288809. The cubic root of 38005530 is about 336.2138484187.

The spelling of 38005530 in words is "thirty-eight million, five thousand, five hundred thirty".