7988650 has 12 divisors (see below), whose sum is σ = 14858982. Its totient is φ = 3195440.

The previous prime is 7988641. The next prime is 7988663. The reversal of 7988650 is 568897.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7557001 + 431649 = 2749^2 + 657^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7988597 and 7988606.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79837 + ... + 79936.

Almost surely, 2^7988650 is an apocalyptic number.

7988650 is a deficient number, since it is larger than the sum of its proper divisors (6870332).

7988650 is a wasteful number, since it uses less digits than its factorization.

7988650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159785 (or 159780 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 7988650 is about 2826.4199970988. The cubic root of 7988650 is about 199.9053719013.

The spelling of 7988650 in words is "seven million, nine hundred eighty-eight thousand, six hundred fifty".