38313747 has 12 divisors (see below), whose sum is σ = 58255080. Its totient is φ = 24198048.

The previous prime is 38313707. The next prime is 38313757. The reversal of 38313747 is 74731383.

It is not a de Polignac number, because 38313747 - 2⁸ = 38313491 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38313707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111858 + ... + 112199.

It is an arithmetic number, because the mean of its divisors is an integer number (4854590).

Almost surely, 2^38313747 is an apocalyptic number.

38313747 is a deficient number, since it is larger than the sum of its proper divisors (19941333).

38313747 is a wasteful number, since it uses less digits than its factorization.

38313747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224082 (or 224079 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 38313747 is about 6189.8099324616. The cubic root of 38313747 is about 337.1202774597.

It can be divided in two parts, 38313 and 747, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 38313747 in words is "thirty-eight million, three hundred thirteen thousand, seven hundred forty-seven".