7988862 has 48 divisors (see below), whose sum is σ = 19247760. Its totient is φ = 2201472.

The previous prime is 7988857. The next prime is 7988899. The reversal of 7988862 is 2688897.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8058 + ... + 8994.

It is an arithmetic number, because the mean of its divisors is an integer number (400995).

Almost surely, 2^7988862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7988862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9623880).

7988862 is an abundant number, since it is smaller than the sum of its proper divisors (11258898).

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

7988862 is a wasteful number, since it uses less digits than its factorization.

7988862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 978 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 7988862 is about 2826.4575001227. The cubic root of 7988862 is about 199.9071402253.

The spelling of 7988862 in words is "seven million, nine hundred eighty-eight thousand, eight hundred sixty-two".