7998516 has 36 divisors (see below), whose sum is σ = 20692672. Its totient is φ = 2603664.

The previous prime is 7998511. The next prime is 7998521. The reversal of 7998516 is 6158997.

7998516 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7998511) and next prime (7998521).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7998511) 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, 1036 + ... + 4131.

Almost surely, 2^7998516 is an apocalyptic number.

It is an amenable number.

7998516 is an abundant number, since it is smaller than the sum of its proper divisors (12694156).

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

7998516 is a wasteful number, since it uses less digits than its factorization.

7998516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220 (or 5215 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 7998516 is about 2828.1647759634. The cubic root of 7998516 is about 199.9876325686.

The spelling of 7998516 in words is "seven million, nine hundred ninety-eight thousand, five hundred sixteen".