7992986 has 8 divisors (see below), whose sum is σ = 12007380. Its totient is φ = 3990528.

The previous prime is 7992973. The next prime is 7993021. The reversal of 7992986 is 6892997.

It can be written as a sum of positive squares in 2 ways, for example, as 7946761 + 46225 = 2819^2 + 215^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061 + ... + 4136.

Almost surely, 2^7992986 is an apocalyptic number.

7992986 is a deficient number, since it is larger than the sum of its proper divisors (4014394).

7992986 is a wasteful number, since it uses less digits than its factorization.

7992986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968.

The product of its digits is 489888, while the sum is 50.

The square root of 7992986 is about 2827.1869411130. The cubic root of 7992986 is about 199.9415329097.

The spelling of 7992986 in words is "seven million, nine hundred ninety-two thousand, nine hundred eighty-six".