38394784 has 24 divisors (see below), whose sum is σ = 76023360. Its totient is φ = 19087296.

The previous prime is 38394761. The next prime is 38394787. The reversal of 38394784 is 48749383.

It is not an unprimeable number, because it can be changed into a prime (38394787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2377 + ... + 9079.

It is an arithmetic number, because the mean of its divisors is an integer number (3167640).

Almost surely, 2^38394784 is an apocalyptic number.

It is an amenable number.

38394784 is a deficient number, since it is larger than the sum of its proper divisors (37628576).

38394784 is a wasteful number, since it uses less digits than its factorization.

38394784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6892 (or 6884 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 38394784 is about 6196.3524754488. The cubic root of 38394784 is about 337.3577899263.

The spelling of 38394784 in words is "thirty-eight million, three hundred ninety-four thousand, seven hundred eighty-four".