7955990 has 16 divisors (see below), whose sum is σ = 16366752. Its totient is φ = 2727744.

The previous prime is 7955963. The next prime is 7956031. The reversal of 7955990 is 995597.

It is a congruent number.

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, 56759 + ... + 56898.

It is an arithmetic number, because the mean of its divisors is an integer number (1022922).

Almost surely, 2^7955990 is an apocalyptic number.

7955990 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7955990 is an abundant number, since it is smaller than the sum of its proper divisors (8410762).

7955990 is a wasteful number, since it uses less digits than its factorization.

7955990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113671.

The product of its (nonzero) digits is 127575, while the sum is 44.

The square root of 7955990 is about 2820.6364530013. The cubic root of 7955990 is about 199.6325754092.

The spelling of 7955990 in words is "seven million, nine hundred fifty-five thousand, nine hundred ninety".