978483900 has 72 divisors (see below), whose sum is σ = 2840286960. Its totient is φ = 260080640.

The previous prime is 978483887. The next prime is 978483937. The reversal of 978483900 is 9384879.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 978483900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89956 + ... + 100244.

It is an arithmetic number, because the mean of its divisors is an integer number (39448430).

Almost surely, 2^978483900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 978483900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1420143480).

978483900 is an abundant number, since it is smaller than the sum of its proper divisors (1861803060).

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

978483900 is a wasteful number, since it uses less digits than its factorization.

978483900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10623 (or 10616 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 978483900 is about 31280.7272933351. The cubic root of 978483900 is about 992.7759047843.

The spelling of 978483900 in words is "nine hundred seventy-eight million, four hundred eighty-three thousand, nine hundred".