38946518 has 16 divisors (see below), whose sum is σ = 63017136. Its totient is φ = 17945760.

The previous prime is 38946511. The next prime is 38946527. The reversal of 38946518 is 81564983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38946511) 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, 27680 + ... + 29052.

It is an arithmetic number, because the mean of its divisors is an integer number (3938571).

Almost surely, 2^38946518 is an apocalyptic number.

38946518 is a deficient number, since it is larger than the sum of its proper divisors (24070618).

38946518 is a wasteful number, since it uses less digits than its factorization.

38946518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479.

The product of its digits is 207360, while the sum is 44.

The square root of 38946518 is about 6240.7145424222. The cubic root of 38946518 is about 338.9660573448.

The spelling of 38946518 in words is "thirty-eight million, nine hundred forty-six thousand, five hundred eighteen".