989250480 has 60 divisors (see below), whose sum is σ = 3322235280. Its totient is φ = 263799936.

The previous prime is 989250469. The next prime is 989250491. The reversal of 989250480 is 84052989.

It is an interprime number because it is at equal distance from previous prime (989250469) and next prime (989250491).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686260 + ... + 687699.

It is an arithmetic number, because the mean of its divisors is an integer number (55370588).

Almost surely, 2^989250480 is an apocalyptic number.

989250480 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

989250480 is an abundant number, since it is smaller than the sum of its proper divisors (2332984800).

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

989250480 is a wasteful number, since it uses less digits than its factorization.

989250480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373978 (or 1373969 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 989250480 is about 31452.3525352238. The cubic root of 989250480 is about 996.4039103070.

The spelling of 989250480 in words is "nine hundred eighty-nine million, two hundred fifty thousand, four hundred eighty".