38438934 has 16 divisors (see below), whose sum is σ = 80220672. Its totient is φ = 12255848.

The previous prime is 38438927. The next prime is 38438993. The reversal of 38438934 is 43983483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139134 + ... + 139409.

It is an arithmetic number, because the mean of its divisors is an integer number (5013792).

Almost surely, 2^38438934 is an apocalyptic number.

38438934 is an abundant number, since it is smaller than the sum of its proper divisors (41781738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38438934 is a wasteful number, since it uses less digits than its factorization.

38438934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278571.

The product of its digits is 248832, while the sum is 42.

The square root of 38438934 is about 6199.9140316621. The cubic root of 38438934 is about 337.4870491601.

The spelling of 38438934 in words is "thirty-eight million, four hundred thirty-eight thousand, nine hundred thirty-four".