988813 has 8 divisors (see below), whose sum is σ = 1169280. Its totient is φ = 818160.

The previous prime is 988789. The next prime is 988829. The reversal of 988813 is 318889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 988813 - 2¹³ = 980621 is a prime.

It is a super-2 number, since 2×988813² = 1955502297938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2233 + ... + 2638.

It is an arithmetic number, because the mean of its divisors is an integer number (146160).

2⁹⁸⁸⁸¹³ is an apocalyptic number.

It is an amenable number.

988813 is a deficient number, since it is larger than the sum of its proper divisors (180467).

988813 is a wasteful number, since it uses less digits than its factorization.

988813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907.

The product of its digits is 13824, while the sum is 37.

The square root of 988813 is about 994.3907682596. The cubic root of 988813 is about 99.6257007487.

It can be divided in two parts, 98 and 8813, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 988813 in words is "nine hundred eighty-eight thousand, eight hundred thirteen".