7956990 has 24 divisors (see below), whose sum is σ = 20688408. Its totient is φ = 2121840.

The previous prime is 7956989. The next prime is 7957013. The reversal of 7956990 is 996597.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44116 + ... + 44295.

It is an arithmetic number, because the mean of its divisors is an integer number (862017).

Almost surely, 2^7956990 is an apocalyptic number.

7956990 is an abundant number, since it is smaller than the sum of its proper divisors (12731418).

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

7956990 is a wasteful number, since it uses less digits than its factorization.

7956990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88424 (or 88421 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 7956990 is about 2820.8137123887. The cubic root of 7956990 is about 199.6409390954.

The spelling of 7956990 in words is "seven million, nine hundred fifty-six thousand, nine hundred ninety".