7998366 has 32 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 2576000.

The previous prime is 7998349. The next prime is 7998379. The reversal of 7998366 is 6638997.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31741 + ... + 31991.

It is an arithmetic number, because the mean of its divisors is an integer number (517104).

Almost surely, 2^7998366 is an apocalyptic number.

7998366 is an abundant number, since it is smaller than the sum of its proper divisors (8548962).

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

7998366 is a wasteful number, since it uses less digits than its factorization.

7998366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its digits is 489888, while the sum is 48.

The square root of 7998366 is about 2828.1382568750. The cubic root of 7998366 is about 199.9863824062.

The spelling of 7998366 in words is "seven million, nine hundred ninety-eight thousand, three hundred sixty-six".