7956818 has 12 divisors (see below), whose sum is σ = 12201342. Its totient is φ = 3891600.

The previous prime is 7956803. The next prime is 7956821. The reversal of 7956818 is 8186597.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7689529 + 267289 = 2773^2 + 517^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3518 + ... + 5318.

Almost surely, 2^7956818 is an apocalyptic number.

7956818 is a deficient number, since it is larger than the sum of its proper divisors (4244524).

7956818 is a wasteful number, since it uses less digits than its factorization.

7956818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1850 counting only the distinct ones).

The product of its digits is 120960, while the sum is 44.

The square root of 7956818 is about 2820.7832245672. The cubic root of 7956818 is about 199.6395005913.

The spelling of 7956818 in words is "seven million, nine hundred fifty-six thousand, eight hundred eighteen".