978589484 has 24 divisors (see below), whose sum is σ = 1721905920. Its totient is φ = 486625104.

The previous prime is 978589481. The next prime is 978589489. The reversal of 978589484 is 484985879.

It is not an unprimeable number, because it can be changed into a prime (978589481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750377 + ... + 751679.

It is an arithmetic number, because the mean of its divisors is an integer number (71746080).

Almost surely, 2^978589484 is an apocalyptic number.

It is an amenable number.

978589484 is a deficient number, since it is larger than the sum of its proper divisors (743316436).

978589484 is a wasteful number, since it uses less digits than its factorization.

978589484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189 (or 2187 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 62.

The square root of 978589484 is about 31282.4149323546. The cubic root of 978589484 is about 992.8116122296.

The spelling of 978589484 in words is "nine hundred seventy-eight million, five hundred eighty-nine thousand, four hundred eighty-four".