38977984 has 28 divisors (see below), whose sum is σ = 77546200. Its totient is φ = 19438848.

The previous prime is 38977933. The next prime is 38977997. The reversal of 38977984 is 48977983.

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, 44947 + ... + 45805.

Almost surely, 2^38977984 is an apocalyptic number.

It is an amenable number.

38977984 is a deficient number, since it is larger than the sum of its proper divisors (38568216).

38977984 is an equidigital number, since it uses as much as digits as its factorization.

38977984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 1570 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 38977984 is about 6243.2350588457. The cubic root of 38977984 is about 339.0573195454.

Subtracting 38977984 from its reverse (48977983), we obtain a palindrome (9999999).

It can be divided in two parts, 3897 and 7984, that added together give a square (11881 = 109²).

The spelling of 38977984 in words is "thirty-eight million, nine hundred seventy-seven thousand, nine hundred eighty-four".