989094480 has 160 divisors (see below), whose sum is σ = 3408531840. Its totient is φ = 235223040.

The previous prime is 989094473. The next prime is 989094487. The reversal of 989094480 is 84490989.

It is an interprime number because it is at equal distance from previous prime (989094473) and next prime (989094487).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989094487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136386 + ... + 143454.

It is an arithmetic number, because the mean of its divisors is an integer number (21303324).

Almost surely, 2^989094480 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 989094480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704265920).

989094480 is an abundant number, since it is smaller than the sum of its proper divisors (2419437360).

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

989094480 is a wasteful number, since it uses less digits than its factorization.

989094480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7149 (or 7143 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 989094480 is about 31449.8724957670. The cubic root of 989094480 is about 996.3515315332.

The spelling of 989094480 in words is "nine hundred eighty-nine million, ninety-four thousand, four hundred eighty".