38377381 has 16 divisors (see below), whose sum is σ = 46604160. Its totient is φ = 30850560.

The previous prime is 38377351. The next prime is 38377387. The reversal of 38377381 is 18377383.

38377381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38377381 - 2⁷ = 38377253 is a prime.

It is a super-2 number, since 2×38377381² = 2945646744838322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38377387) 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 15 ways as a sum of consecutive naturals, for example, 61690 + ... + 62308.

It is an arithmetic number, because the mean of its divisors is an integer number (2912760).

Almost surely, 2^38377381 is an apocalyptic number.

It is an amenable number.

38377381 is a deficient number, since it is larger than the sum of its proper divisors (8226779).

38377381 is a wasteful number, since it uses less digits than its factorization.

38377381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its digits is 84672, while the sum is 40.

The square root of 38377381 is about 6194.9480223808. The cubic root of 38377381 is about 337.3068114315.

The spelling of 38377381 in words is "thirty-eight million, three hundred seventy-seven thousand, three hundred eighty-one".