7990992 has 60 divisors (see below), whose sum is σ = 22555104. Its totient is φ = 2640960.

The previous prime is 7990951. The next prime is 7990993. The reversal of 7990992 is 2990997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7990993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30253 + ... + 30515.

Almost surely, 2^7990992 is an apocalyptic number.

7990992 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7990992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11277552).

7990992 is an abundant number, since it is smaller than the sum of its proper divisors (14564112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7990992 is a wasteful number, since it uses less digits than its factorization.

7990992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 7990992 is about 2826.8342717606. The cubic root of 7990992 is about 199.9249051407.

The spelling of 7990992 in words is "seven million, nine hundred ninety thousand, nine hundred ninety-two".