38920318 has 16 divisors (see below), whose sum is σ = 59612256. Its totient is φ = 19052640.

The previous prime is 38920313. The next prime is 38920339. The reversal of 38920318 is 81302983.

38920318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38920318² = 3029582306442248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38920313) 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, 31480 + ... + 32692.

It is an arithmetic number, because the mean of its divisors is an integer number (3725766).

Almost surely, 2^38920318 is an apocalyptic number.

38920318 is a deficient number, since it is larger than the sum of its proper divisors (20691938).

38920318 is a wasteful number, since it uses less digits than its factorization.

38920318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 38920318 is about 6238.6150706707. The cubic root of 38920318 is about 338.8900308401.

The spelling of 38920318 in words is "thirty-eight million, nine hundred twenty thousand, three hundred eighteen".