7991092 has 6 divisors (see below), whose sum is σ = 13984418. Its totient is φ = 3995544.

The previous prime is 7991089. The next prime is 7991099. The reversal of 7991092 is 2901997.

It can be written as a sum of positive squares in only one way, i.e., 5788836 + 2202256 = 2406^2 + 1484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7991099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998883 + ... + 998890.

Almost surely, 2^7991092 is an apocalyptic number.

It is an amenable number.

7991092 is a deficient number, since it is larger than the sum of its proper divisors (5993326).

7991092 is a wasteful number, since it uses less digits than its factorization.

7991092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997777 (or 1997775 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 7991092 is about 2826.8519593357. The cubic root of 7991092 is about 199.9257390967.

It can be divided in two parts, 799 and 1092, that added together give a triangular number (1891 = T₆₁).

The spelling of 7991092 in words is "seven million, nine hundred ninety-one thousand, ninety-two".