38674618 has 16 divisors (see below), whose sum is σ = 59204160. Its totient is φ = 18942336.

The previous prime is 38674613. The next prime is 38674637. The reversal of 38674618 is 81647683.

It is not an unprimeable number, because it can be changed into a prime (38674613) 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 7 ways as a sum of consecutive naturals, for example, 57130 + ... + 57802.

It is an arithmetic number, because the mean of its divisors is an integer number (3700260).

Almost surely, 2^38674618 is an apocalyptic number.

38674618 is a deficient number, since it is larger than the sum of its proper divisors (20529542).

38674618 is a wasteful number, since it uses less digits than its factorization.

38674618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221.

The product of its digits is 193536, while the sum is 43.

The square root of 38674618 is about 6218.8920235039. The cubic root of 38674618 is about 338.1753988514.

The spelling of 38674618 in words is "thirty-eight million, six hundred seventy-four thousand, six hundred eighteen".