7998464 has 44 divisors (see below), whose sum is σ = 16359624. Its totient is φ = 3907584.

The previous prime is 7998451. The next prime is 7998481. The reversal of 7998464 is 4648997.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74699 + ... + 74805.

Almost surely, 2^7998464 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 7998464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8179812).

7998464 is an abundant number, since it is smaller than the sum of its proper divisors (8361160).

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

7998464 is a wasteful number, since it uses less digits than its factorization.

7998464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 182 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 7998464 is about 2828.1555827076. The cubic root of 7998464 is about 199.9871991807.

The spelling of 7998464 in words is "seven million, nine hundred ninety-eight thousand, four hundred sixty-four".