578534420 has 24 divisors (see below), whose sum is σ = 1278866400. Its totient is φ = 219233952.

The previous prime is 578534419. The next prime is 578534449. The reversal of 578534420 is 24435875.

It is a happy number.

578534420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 760850 + ... + 761609.

It is an arithmetic number, because the mean of its divisors is an integer number (53286100).

Almost surely, 2^578534420 is an apocalyptic number.

It is an amenable number.

578534420 is an abundant number, since it is smaller than the sum of its proper divisors (700331980).

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

578534420 is a wasteful number, since it uses less digits than its factorization.

578534420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522487 (or 1522485 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 578534420 is about 24052.7424631787. The cubic root of 578534420 is about 833.2520692312.

The spelling of 578534420 in words is "five hundred seventy-eight million, five hundred thirty-four thousand, four hundred twenty".