38439164 has 24 divisors (see below), whose sum is σ = 70683648. Its totient is φ = 18255600.

The previous prime is 38439161. The next prime is 38439197. The reversal of 38439164 is 46193483.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38439161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12509 + ... + 15275.

It is an arithmetic number, because the mean of its divisors is an integer number (2945152).

Almost surely, 2^38439164 is an apocalyptic number.

It is an amenable number.

38439164 is a deficient number, since it is larger than the sum of its proper divisors (32244484).

38439164 is a wasteful number, since it uses less digits than its factorization.

38439164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945 (or 2943 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 38439164 is about 6199.9325802786. The cubic root of 38439164 is about 337.4877222786.

The spelling of 38439164 in words is "thirty-eight million, four hundred thirty-nine thousand, one hundred sixty-four".