7984136 has 8 divisors (see below), whose sum is σ = 14970270. Its totient is φ = 3992064.

The previous prime is 7984133. The next prime is 7984147. The reversal of 7984136 is 6314897.

It can be written as a sum of positive squares in only one way, i.e., 4024036 + 3960100 = 2006^2 + 1990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 7984136.

It is not an unprimeable number, because it can be changed into a prime (7984133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499001 + ... + 499016.

Almost surely, 2^7984136 is an apocalyptic number.

It is an amenable number.

7984136 is a deficient number, since it is larger than the sum of its proper divisors (6986134).

7984136 is a wasteful number, since it uses less digits than its factorization.

7984136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998023 (or 998019 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 7984136 is about 2825.6213475977. The cubic root of 7984136 is about 199.8677125194.

The spelling of 7984136 in words is "seven million, nine hundred eighty-four thousand, one hundred thirty-six".