988866 has 24 divisors (see below), whose sum is σ = 2163564. Its totient is φ = 326400.

The previous prime is 988861. The next prime is 988877. The reversal of 988866 is 668889.

988866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 848241 + 140625 = 921^2 + 375^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (988861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2266 + ... + 2666.

2⁹⁸⁸⁸⁶⁶ is an apocalyptic number.

988866 is an abundant number, since it is smaller than the sum of its proper divisors (1174698).

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

988866 is a wasteful number, since it uses less digits than its factorization.

988866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 543 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 988866 is about 994.4174173857. The cubic root of 988866 is about 99.6274806834.

It can be divided in two parts, 98 and 8866, that multiplied together give a palindrome (868868).

The spelling of 988866 in words is "nine hundred eighty-eight thousand, eight hundred sixty-six".