7988814 has 32 divisors (see below), whose sum is σ = 17856000. Its totient is φ = 2647512.

The previous prime is 7988803. The next prime is 7988819. The reversal of 7988814 is 4188897.

It is a super-2 number, since 2×7988814² = 127642298253192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7988814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7988819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12597 + ... + 13215.

It is an arithmetic number, because the mean of its divisors is an integer number (558000).

Almost surely, 2^7988814 is an apocalyptic number.

7988814 is an abundant number, since it is smaller than the sum of its proper divisors (9867186).

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

7988814 is a wasteful number, since it uses less digits than its factorization.

7988814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 863 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 7988814 is about 2826.4490089156. The cubic root of 7988814 is about 199.9067398528.

The spelling of 7988814 in words is "seven million, nine hundred eighty-eight thousand, eight hundred fourteen".