580399 has 4 divisors (see below), whose sum is σ = 582120. Its totient is φ = 578680.

The previous prime is 580381. The next prime is 580409. The reversal of 580399 is 993085.

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

It is a cyclic number.

It is not a de Polignac number, because 580399 - 2¹³ = 572207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (580339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169 + ... + 1090.

It is an arithmetic number, because the mean of its divisors is an integer number (145530).

2⁵⁸⁰³⁹⁹ is an apocalyptic number.

580399 is a deficient number, since it is larger than the sum of its proper divisors (1721).

580399 is a wasteful number, since it uses less digits than its factorization.

580399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 580399 is about 761.8392218835. The cubic root of 580399 is about 83.4146282235.

Subtracting 580399 from its reverse (993085), we obtain a triangular number (412686 = T₉₀₈).

It can be divided in two parts, 580 and 399, that added together give a palindrome (979).

The spelling of 580399 in words is "five hundred eighty thousand, three hundred ninety-nine".