7989160 has 16 divisors (see below), whose sum is σ = 17975700. Its totient is φ = 3195648.

The previous prime is 7989143. The next prime is 7989169. The reversal of 7989160 is 619897.

It can be written as a sum of positive squares in 2 ways, for example, as 7518564 + 470596 = 2742^2 + 686^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 199729 = 7989160 / (7 + 9 + 8 + 9 + 1 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (7989169) 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, 99825 + ... + 99904.

Almost surely, 2^7989160 is an apocalyptic number.

It is an amenable number.

7989160 is an abundant number, since it is smaller than the sum of its proper divisors (9986540).

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

7989160 is a wasteful number, since it uses less digits than its factorization.

7989160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199740 (or 199736 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 7989160 is about 2826.5102157962. The cubic root of 7989160 is about 199.9096258354.

The spelling of 7989160 in words is "seven million, nine hundred eighty-nine thousand, one hundred sixty".