38618867 has 12 divisors (see below), whose sum is σ = 44840880. Its totient is φ = 32581296.

The previous prime is 38618813. The next prime is 38618873. The reversal of 38618867 is 76881683.

It is not a de Polignac number, because 38618867 - 2¹⁴ = 38602483 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a pancake number, because a pancake can be divided into 38618867 parts by 8788 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (38618897) 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, 30809 + ... + 32037.

It is an arithmetic number, because the mean of its divisors is an integer number (3736740).

Almost surely, 2^38618867 is an apocalyptic number.

38618867 is a deficient number, since it is larger than the sum of its proper divisors (6222013).

38618867 is an equidigital number, since it uses as much as digits as its factorization.

38618867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 1303 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 38618867 is about 6214.4080168589. The cubic root of 38618867 is about 338.0128229441.

The spelling of 38618867 in words is "thirty-eight million, six hundred eighteen thousand, eight hundred sixty-seven".