7998963 has 16 divisors (see below), whose sum is σ = 12719616. Its totient is φ = 4371840.

The previous prime is 7998953. The next prime is 7998967. The reversal of 7998963 is 3698997.

It is not a de Polignac number, because 7998963 - 2⁹ = 7998451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7998967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7798 + ... + 8763.

It is an arithmetic number, because the mean of its divisors is an integer number (794976).

Almost surely, 2^7998963 is an apocalyptic number.

7998963 is a deficient number, since it is larger than the sum of its proper divisors (4720653).

7998963 is a wasteful number, since it uses less digits than its factorization.

7998963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16594.

The product of its digits is 734832, while the sum is 51.

The square root of 7998963 is about 2828.2438013722. The cubic root of 7998963 is about 199.9913579599.

The spelling of 7998963 in words is "seven million, nine hundred ninety-eight thousand, nine hundred sixty-three".