578342 has 4 divisors (see below), whose sum is σ = 867516. Its totient is φ = 289170.

The previous prime is 578327. The next prime is 578353. The reversal of 578342 is 243875.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144584 + ... + 144587.

It is an arithmetic number, because the mean of its divisors is an integer number (216879).

2⁵⁷⁸³⁴² is an apocalyptic number.

578342 is a deficient number, since it is larger than the sum of its proper divisors (289174).

578342 is a wasteful number, since it uses less digits than its factorization.

578342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289173.

The product of its digits is 6720, while the sum is 29.

The square root of 578342 is about 760.4880012203. The cubic root of 578342 is about 83.3159679371.

The spelling of 578342 in words is "five hundred seventy-eight thousand, three hundred forty-two".