978323244 has 24 divisors (see below), whose sum is σ = 2308405680. Its totient is φ = 322443264.

The previous prime is 978323183. The next prime is 978323251. The reversal of 978323244 is 442323879.

It is a junction number, because it is equal to n+sod(n) for n = 978323196 and 978323205.

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, 456949 + ... + 459084.

It is an arithmetic number, because the mean of its divisors is an integer number (96183570).

Almost surely, 2^978323244 is an apocalyptic number.

It is an amenable number.

978323244 is an abundant number, since it is smaller than the sum of its proper divisors (1330082436).

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

978323244 is a wasteful number, since it uses less digits than its factorization.

978323244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916129 (or 916127 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 978323244 is about 31278.1592169360. The cubic root of 978323244 is about 992.7215676151.

The spelling of 978323244 in words is "nine hundred seventy-eight million, three hundred twenty-three thousand, two hundred forty-four".