978604430 has 16 divisors (see below), whose sum is σ = 1761901200. Its totient is φ = 391349952.

The previous prime is 978604421. The next prime is 978604447. The reversal of 978604430 is 34406879.

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, 47921 + ... + 65219.

It is an arithmetic number, because the mean of its divisors is an integer number (110118825).

Almost surely, 2^978604430 is an apocalyptic number.

978604430 is a deficient number, since it is larger than the sum of its proper divisors (783296770).

978604430 is a wasteful number, since it uses less digits than its factorization.

978604430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22963.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 978604430 is about 31282.6538196490. The cubic root of 978604430 is about 992.8166666087.

The spelling of 978604430 in words is "nine hundred seventy-eight million, six hundred four thousand, four hundred thirty".