978481328 has 20 divisors (see below), whose sum is σ = 2068154088. Its totient is φ = 444764160.

The previous prime is 978481319. The next prime is 978481369. The reversal of 978481328 is 823184879.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 2779601 + ... + 2779952.

Almost surely, 2^978481328 is an apocalyptic number.

It is an amenable number.

978481328 is an abundant number, since it is smaller than the sum of its proper divisors (1089672760).

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

978481328 is a wasteful number, since it uses less digits than its factorization.

978481328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559572 (or 5559566 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 978481328 is about 31280.6861817320. The cubic root of 978481328 is about 992.7750349277.

The spelling of 978481328 in words is "nine hundred seventy-eight million, four hundred eighty-one thousand, three hundred twenty-eight".