38113668 has 72 divisors (see below), whose sum is σ = 101477376. Its totient is φ = 12038400.

The previous prime is 38113633. The next prime is 38113693. The reversal of 38113668 is 86631183.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158028 + ... + 158268.

It is an arithmetic number, because the mean of its divisors is an integer number (1409408).

Almost surely, 2^38113668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38113668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50738688).

38113668 is an abundant number, since it is smaller than the sum of its proper divisors (63363708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38113668 is a wasteful number, since it uses less digits than its factorization.

38113668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 460 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 38113668 is about 6173.6268108787. The cubic root of 38113668 is about 336.5324254311.

It can be divided in two parts, 38113 and 668, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 38113668 in words is "thirty-eight million, one hundred thirteen thousand, six hundred sixty-eight".