578938 has 4 divisors (see below), whose sum is σ = 868410. Its totient is φ = 289468.

The previous prime is 578923. The next prime is 578957. The reversal of 578938 is 839875.

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

It can be written as a sum of positive squares in only one way, i.e., 294849 + 284089 = 543^2 + 533^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 578938.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 144733 + ... + 144736.

2⁵⁷⁸⁹³⁸ is an apocalyptic number.

578938 is a deficient number, since it is larger than the sum of its proper divisors (289472).

578938 is a wasteful number, since it uses less digits than its factorization.

578938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289471.

The product of its digits is 60480, while the sum is 40.

The square root of 578938 is about 760.8797539690. The cubic root of 578938 is about 83.3445780382.

The spelling of 578938 in words is "five hundred seventy-eight thousand, nine hundred thirty-eight".