578399 has 2 divisors, whose sum is σ = 578400. Its totient is φ = 578398.

The previous prime is 578371. The next prime is 578401. The reversal of 578399 is 993875.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-578399 is a prime.

Together with 578401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (578309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289199 + 289200.

It is an arithmetic number, because the mean of its divisors is an integer number (289200).

2⁵⁷⁸³⁹⁹ is an apocalyptic number.

578399 is a deficient number, since it is larger than the sum of its proper divisors (1).

578399 is an equidigital number, since it uses as much as digits as its factorization.

578399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 578399 is about 760.5254762334. The cubic root of 578399 is about 83.3187049878.

The spelling of 578399 in words is "five hundred seventy-eight thousand, three hundred ninety-nine".