981480 has 32 divisors (see below), whose sum is σ = 2944800. Its totient is φ = 261696.

The previous prime is 981473. The next prime is 981481. The reversal of 981480 is 84189.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981480.

It is not an unprimeable number, because it can be changed into a prime (981481) by changing a digit.

981480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3970 + ... + 4209.

It is an arithmetic number, because the mean of its divisors is an integer number (92025).

2⁹⁸¹⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

981480 is an abundant number, since it is smaller than the sum of its proper divisors (1963320).

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

981480 is a wasteful number, since it uses less digits than its factorization.

981480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193 (or 8189 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 981480 is about 990.6967245328. The cubic root of 981480 is about 99.3788159604.

The spelling of 981480 in words is "nine hundred eighty-one thousand, four hundred eighty".