988380 has 108 divisors (see below), whose sum is σ = 3352440. Its totient is φ = 235008.

The previous prime is 988367. The next prime is 988409. The reversal of 988380 is 83889.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 52011 + ... + 52029.

2⁹⁸⁸³⁸⁰ is an apocalyptic number.

988380 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676220).

988380 is an abundant number, since it is smaller than the sum of its proper divisors (2364060).

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

988380 is a wasteful number, since it uses less digits than its factorization.

988380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 988380 is about 994.1730231705. The cubic root of 988380 is about 99.6111566348.

The spelling of 988380 in words is "nine hundred eighty-eight thousand, three hundred eighty".