578428 has 12 divisors (see below), whose sum is σ = 1037232. Its totient is φ = 282080.

The previous prime is 578419. The next prime is 578441. The reversal of 578428 is 824875.

It is a junction number, because it is equal to n+sod(n) for n = 578393 and 578402.

It is a congruent number.

It is an unprimeable number.

578428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600 + ... + 1927.

It is an arithmetic number, because the mean of its divisors is an integer number (86436).

2⁵⁷⁸⁴²⁸ is an apocalyptic number.

It is an amenable number.

578428 is a deficient number, since it is larger than the sum of its proper divisors (458804).

578428 is a wasteful number, since it uses less digits than its factorization.

578428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572 (or 3570 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The square root of 578428 is about 760.5445417594. The cubic root of 578428 is about 83.3200974534.

The spelling of 578428 in words is "five hundred seventy-eight thousand, four hundred twenty-eight".