7990016 has 54 divisors (see below), whose sum is σ = 16954980. Its totient is φ = 3756544.

The previous prime is 7990001. The next prime is 7990057. The reversal of 7990016 is 6100997.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135395 + ... + 135453.

Almost surely, 2^7990016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7990016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8477490).

7990016 is an abundant number, since it is smaller than the sum of its proper divisors (8964964).

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

7990016 is an equidigital number, since it uses as much as digits as its factorization.

7990016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 7990016 is about 2826.6616352156. The cubic root of 7990016 is about 199.9167653648.

The spelling of 7990016 in words is "seven million, nine hundred ninety thousand, sixteen".