7988850 has 72 divisors (see below), whose sum is σ = 22037652. Its totient is φ = 2073600.

The previous prime is 7988839. The next prime is 7988857. The reversal of 7988850 is 588897.

It can be written as a sum of positive squares in 6 ways, for example, as 154449 + 7834401 = 393^2 + 2799^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7988796 and 7988805.

It is not an unprimeable number, because it can be changed into a prime (7988857) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18234 + ... + 18666.

Almost surely, 2^7988850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7988850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11018826).

7988850 is an abundant number, since it is smaller than the sum of its proper divisors (14048802).

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

7988850 is a wasteful number, since it uses less digits than its factorization.

7988850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 7988850 is about 2826.4553773233. The cubic root of 7988850 is about 199.9070401323.

The spelling of 7988850 in words is "seven million, nine hundred eighty-eight thousand, eight hundred fifty".