7991104 has 28 divisors (see below), whose sum is σ = 17300448. Its totient is φ = 3632000.

The previous prime is 7991101. The next prime is 7991107. The reversal of 7991104 is 4011997.

7991104 = 476² + 477² + ... + 508².

It is an interprime number because it is at equal distance from previous prime (7991101) and next prime (7991107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7991101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4972 + ... + 6379.

Almost surely, 2^7991104 is an apocalyptic number.

It is an amenable number.

7991104 is an abundant number, since it is smaller than the sum of its proper divisors (9309344).

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

7991104 is a wasteful number, since it uses less digits than its factorization.

7991104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374 (or 11364 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 7991104 is about 2826.8540818373. The cubic root of 7991104 is about 199.9258391709.

The spelling of 7991104 in words is "seven million, nine hundred ninety-one thousand, one hundred four".