38378164 has 12 divisors (see below), whose sum is σ = 73267488. Its totient is φ = 17444600.

The previous prime is 38378159. The next prime is 38378189. The reversal of 38378164 is 46187383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436072 + ... + 436159.

It is an arithmetic number, because the mean of its divisors is an integer number (6105624).

Almost surely, 2^38378164 is an apocalyptic number.

It is an amenable number.

38378164 is a deficient number, since it is larger than the sum of its proper divisors (34889324).

38378164 is a wasteful number, since it uses less digits than its factorization.

38378164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872246 (or 872244 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 38378164 is about 6195.0112187146. The cubic root of 38378164 is about 337.3091053994.

The spelling of 38378164 in words is "thirty-eight million, three hundred seventy-eight thousand, one hundred sixty-four".