988790 has 32 divisors (see below), whose sum is σ = 1982880. Its totient is φ = 352000.

The previous prime is 988789. The next prime is 988829. The reversal of 988790 is 97889.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9740 + ... + 9840.

It is an arithmetic number, because the mean of its divisors is an integer number (61965).

2⁹⁸⁸⁷⁹⁰ is an apocalyptic number.

988790 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

988790 is a wasteful number, since it uses less digits than its factorization.

988790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 988790 is about 994.3792033224. The cubic root of 988790 is about 99.6249283044.

It can be divided in two parts, 98 and 8790, that added together give a palindrome (8888).

The spelling of 988790 in words is "nine hundred eighty-eight thousand, seven hundred ninety".