38503885 has 16 divisors (see below), whose sum is σ = 52920576. Its totient is φ = 26345088.

The previous prime is 38503873. The next prime is 38503897. The reversal of 38503885 is 58830583.

38503885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38503873) and next prime (38503897).

It is a de Polignac number, because none of the positive numbers 2^k-38503885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20704 + ... + 22486.

It is an arithmetic number, because the mean of its divisors is an integer number (3307536).

Almost surely, 2^38503885 is an apocalyptic number.

38503885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38503885 is a deficient number, since it is larger than the sum of its proper divisors (14416691).

38503885 is a wasteful number, since it uses less digits than its factorization.

38503885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 38503885 is about 6205.1498773196. The cubic root of 38503885 is about 337.6770282980.

The spelling of 38503885 in words is "thirty-eight million, five hundred three thousand, eight hundred eighty-five".