7909960 has 32 divisors (see below), whose sum is σ = 18374400. Its totient is φ = 3061440.

The previous prime is 7909949. The next prime is 7909987. The reversal of 7909960 is 699097.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1950 + ... + 4429.

It is an arithmetic number, because the mean of its divisors is an integer number (574200).

Almost surely, 2^7909960 is an apocalyptic number.

It is an amenable number.

7909960 is an abundant number, since it is smaller than the sum of its proper divisors (10464440).

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

7909960 is a wasteful number, since it uses less digits than its factorization.

7909960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421 (or 6417 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 7909960 is about 2812.4651108947. The cubic root of 7909960 is about 199.2468339314.

The spelling of 7909960 in words is "seven million, nine hundred nine thousand, nine hundred sixty".