38494784 has 28 divisors (see below), whose sum is σ = 76712064. Its totient is φ = 19165824.

The previous prime is 38494769. The next prime is 38494789. The reversal of 38494784 is 48749483.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (38494789) 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, 15689 + ... + 17975.

Almost surely, 2^38494784 is an apocalyptic number.

It is an amenable number.

38494784 is a deficient number, since it is larger than the sum of its proper divisors (38217280).

38494784 is a wasteful number, since it uses less digits than its factorization.

38494784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562 (or 2552 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 38494784 is about 6204.4164915002. The cubic root of 38494784 is about 337.6504211058.

The spelling of 38494784 in words is "thirty-eight million, four hundred ninety-four thousand, seven hundred eighty-four".