7998004 has 12 divisors (see below), whose sum is σ = 15996064. Its totient is φ = 3427704.

The previous prime is 7997989. The next prime is 7998013. The reversal of 7998004 is 4008997.

It is a happy number.

7998004 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142794 + ... + 142849.

Almost surely, 2^7998004 is an apocalyptic number.

It is an amenable number.

7998004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7998004 is a wasteful number, since it uses less digits than its factorization.

7998004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285654 (or 285652 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 7998004 is about 2828.0742564508. The cubic root of 7998004 is about 199.9833652831.

The spelling of 7998004 in words is "seven million, nine hundred ninety-eight thousand, four".