7981492 has 24 divisors (see below), whose sum is σ = 14470400. Its totient is φ = 3849120.

The previous prime is 7981487. The next prime is 7981507. The reversal of 7981492 is 2941897.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 29317 + ... + 29587.

Almost surely, 2^7981492 is an apocalyptic number.

It is an amenable number.

7981492 is a deficient number, since it is larger than the sum of its proper divisors (6488908).

7981492 is a wasteful number, since it uses less digits than its factorization.

7981492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 509 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 7981492 is about 2825.1534471600. The cubic root of 7981492 is about 199.8456475740.

The spelling of 7981492 in words is "seven million, nine hundred eighty-one thousand, four hundred ninety-two".