3138867984 has 40 divisors (see below), whose sum is σ = 9267135040. Its totient is φ = 896819328.

The previous prime is 3138867973. The next prime is 3138867989. The reversal of 3138867984 is 4897688313.

It is not an unprimeable number, because it can be changed into a prime (3138867989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4670599 + ... + 4671270.

It is an arithmetic number, because the mean of its divisors is an integer number (231678376).

Almost surely, 2^3138867984 is an apocalyptic number.

It is an amenable number.

3138867984 is an abundant number, since it is smaller than the sum of its proper divisors (6128267056).

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

3138867984 is a wasteful number, since it uses less digits than its factorization.

3138867984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341887 (or 9341881 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The square root of 3138867984 is about 56025.6011480466. The cubic root of 3138867984 is about 1464.1683568218.

The spelling of 3138867984 in words is "three billion, one hundred thirty-eight million, eight hundred sixty-seven thousand, nine hundred eighty-four".