978428604 has 24 divisors (see below), whose sum is σ = 2317076608. Its totient is φ = 321274800.

The previous prime is 978428587. The next prime is 978428611. The reversal of 978428604 is 406824879.

978428604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 607672 + ... + 609279.

Almost surely, 2^978428604 is an apocalyptic number.

It is an amenable number.

978428604 is an abundant number, since it is smaller than the sum of its proper divisors (1338648004).

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

978428604 is a wasteful number, since it uses less digits than its factorization.

978428604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217025 (or 1217023 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 978428604 is about 31279.8434139303. The cubic root of 978428604 is about 992.7572032091.

The spelling of 978428604 in words is "nine hundred seventy-eight million, four hundred twenty-eight thousand, six hundred four".