989480 has 32 divisors (see below), whose sum is σ = 2305800. Its totient is φ = 381696.

The previous prime is 989479. The next prime is 989507. The reversal of 989480 is 84989.

It can be written as a sum of positive squares in 4 ways, for example, as 556516 + 432964 = 746^2 + 658^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989480.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734 + ... + 1586.

2⁹⁸⁹⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152900).

989480 is an abundant number, since it is smaller than the sum of its proper divisors (1316320).

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

989480 is a wasteful number, since it uses less digits than its factorization.

989480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 989480 is about 994.7260929522. The cubic root of 989480 is about 99.6480964247.

The spelling of 989480 in words is "nine hundred eighty-nine thousand, four hundred eighty".