7138984 has 32 divisors (see below), whose sum is σ = 14320800. Its totient is φ = 3326400.

The previous prime is 7138981. The next prime is 7138987. The reversal of 7138984 is 4898317.

It is an interprime number because it is at equal distance from previous prime (7138981) and next prime (7138987).

It is not an unprimeable number, because it can be changed into a prime (7138981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9834 + ... + 10534.

It is an arithmetic number, because the mean of its divisors is an integer number (447525).

Almost surely, 2^7138984 is an apocalyptic number.

It is an amenable number.

7138984 is an abundant number, since it is smaller than the sum of its proper divisors (7181816).

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

7138984 is a wasteful number, since it uses less digits than its factorization.

7138984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 789 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 7138984 is about 2671.8877221919. The cubic root of 7138984 is about 192.5508630424.

The spelling of 7138984 in words is "seven million, one hundred thirty-eight thousand, nine hundred eighty-four".