7999028 has 12 divisors (see below), whose sum is σ = 14045220. Its totient is φ = 3986112.

The previous prime is 7998979. The next prime is 7999051. The reversal of 7999028 is 8209997.

7999028 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35344 + 7963684 = 188^2 + 2822^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7999028.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1943 + ... + 4446.

It is an arithmetic number, because the mean of its divisors is an integer number (1170435).

Almost surely, 2^7999028 is an apocalyptic number.

It is an amenable number.

7999028 is a deficient number, since it is larger than the sum of its proper divisors (6046192).

7999028 is a wasteful number, since it uses less digits than its factorization.

7999028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706 (or 6704 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 7999028 is about 2828.2552925788. The cubic root of 7999028 is about 199.9918996719.

The spelling of 7999028 in words is "seven million, nine hundred ninety-nine thousand, twenty-eight".