7893992 has 8 divisors (see below), whose sum is σ = 14801250. Its totient is φ = 3946992.

The previous prime is 7893989. The next prime is 7893997. The reversal of 7893992 is 2993987.

It can be written as a sum of positive squares in only one way, i.e., 7695076 + 198916 = 2774^2 + 446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (7893997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493367 + ... + 493382.

Almost surely, 2^7893992 is an apocalyptic number.

It is an amenable number.

7893992 is a deficient number, since it is larger than the sum of its proper divisors (6907258).

7893992 is a wasteful number, since it uses less digits than its factorization.

7893992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986755 (or 986751 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 7893992 is about 2809.6248859946. The cubic root of 7893992 is about 199.1126690409.

The spelling of 7893992 in words is "seven million, eight hundred ninety-three thousand, nine hundred ninety-two".