978382432 has 12 divisors (see below), whose sum is σ = 1926190476. Its totient is φ = 489191200.

The previous prime is 978382421. The next prime is 978382451. The reversal of 978382432 is 234283879.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15287194 + ... + 15287257.

It is an arithmetic number, because the mean of its divisors is an integer number (160515873).

Almost surely, 2^978382432 is an apocalyptic number.

It is an amenable number.

978382432 is a deficient number, since it is larger than the sum of its proper divisors (947808044).

978382432 is a wasteful number, since it uses less digits than its factorization.

978382432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30574461 (or 30574453 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 978382432 is about 31279.1053580501. The cubic root of 978382432 is about 992.7415869082.

The spelling of 978382432 in words is "nine hundred seventy-eight million, three hundred eighty-two thousand, four hundred thirty-two".