38873390 has 24 divisors (see below), whose sum is σ = 74335752. Its totient is φ = 14633600.

The previous prime is 38873383. The next prime is 38873399. The reversal of 38873390 is 9337883.

It is a super-2 number, since 2×38873390² = 3022280900184200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38873399) 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 11 ways as a sum of consecutive naturals, for example, 3836 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (3097323).

Almost surely, 2^38873390 is an apocalyptic number.

38873390 is a deficient number, since it is larger than the sum of its proper divisors (35462362).

38873390 is a wasteful number, since it uses less digits than its factorization.

38873390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13492 (or 13475 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 38873390 is about 6234.8528450959. The cubic root of 38873390 is about 338.7537710123.

The spelling of 38873390 in words is "thirty-eight million, eight hundred seventy-three thousand, three hundred ninety".