38818984 has 16 divisors (see below), whose sum is σ = 73038420. Its totient is φ = 19342080.

The previous prime is 38818979. The next prime is 38818987. The reversal of 38818984 is 48981883.

It can be written as a sum of positive squares in 2 ways, for example, as 38812900 + 6084 = 6230^2 + 78^2 .

It is not an unprimeable number, because it can be changed into a prime (38818987) 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, 5937 + ... + 10624.

Almost surely, 2^38818984 is an apocalyptic number.

It is an amenable number.

38818984 is a deficient number, since it is larger than the sum of its proper divisors (34219436).

38818984 is a wasteful number, since it uses less digits than its factorization.

38818984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16860 (or 16856 counting only the distinct ones).

The product of its digits is 442368, while the sum is 49.

The square root of 38818984 is about 6230.4882633707. The cubic root of 38818984 is about 338.5956607773.

The spelling of 38818984 in words is "thirty-eight million, eight hundred eighteen thousand, nine hundred eighty-four".