38390608 has 20 divisors (see below), whose sum is σ = 76393300. Its totient is φ = 18676224.

The previous prime is 38390593. The next prime is 38390609. The reversal of 38390608 is 80609383.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26501904 + 11888704 = 5148^2 + 3448^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38390609) 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, 31833 + ... + 33016.

It is an arithmetic number, because the mean of its divisors is an integer number (3819665).

Almost surely, 2^38390608 is an apocalyptic number.

It is an amenable number.

38390608 is a deficient number, since it is larger than the sum of its proper divisors (38002692).

38390608 is a wasteful number, since it uses less digits than its factorization.

38390608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64894 (or 64888 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 38390608 is about 6196.0154938476. The cubic root of 38390608 is about 337.3455586016.

The spelling of 38390608 in words is "thirty-eight million, three hundred ninety thousand, six hundred eight".