578242 has 16 divisors (see below), whose sum is σ = 1003392. Its totient is φ = 244800.

The previous prime is 578213. The next prime is 578251. The reversal of 578242 is 242875.

It is a self number, because there is not a number n which added to its sum of digits gives 578242.

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, 1242 + ... + 1642.

It is an arithmetic number, because the mean of its divisors is an integer number (62712).

2⁵⁷⁸²⁴² is an apocalyptic number.

578242 is a deficient number, since it is larger than the sum of its proper divisors (425150).

578242 is a wasteful number, since it uses less digits than its factorization.

578242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its digits is 4480, while the sum is 28.

The square root of 578242 is about 760.4222511210. The cubic root of 578242 is about 83.3111656592.

It can be divided in two parts, 578 and 242, that multiplied together give a square (139876 = 374²).

The spelling of 578242 in words is "five hundred seventy-eight thousand, two hundred forty-two".