578949420 has 96 divisors (see below), whose sum is σ = 1895781888. Its totient is φ = 129249792.

The previous prime is 578949403. The next prime is 578949451. The reversal of 578949420 is 24949875.

It is a self number, because there is not a number n which added to its sum of digits gives 578949420.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2032 + ... + 34088.

It is an arithmetic number, because the mean of its divisors is an integer number (19747728).

Almost surely, 2^578949420 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 578949420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947890944).

578949420 is an abundant number, since it is smaller than the sum of its proper divisors (1316832468).

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

578949420 is a wasteful number, since it uses less digits than its factorization.

578949420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32119 (or 32117 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 578949420 is about 24061.3677915450. The cubic root of 578949420 is about 833.4512604666.

The spelling of 578949420 in words is "five hundred seventy-eight million, nine hundred forty-nine thousand, four hundred twenty".