507399 has 8 divisors (see below), whose sum is σ = 716400. Its totient is φ = 318336.

The previous prime is 507383. The next prime is 507401. The reversal of 507399 is 993705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 507399 - 2⁴ = 507383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4924 + ... + 5025.

It is an arithmetic number, because the mean of its divisors is an integer number (89550).

2⁵⁰⁷³⁹⁹ is an apocalyptic number.

507399 is a deficient number, since it is larger than the sum of its proper divisors (209001).

507399 is a wasteful number, since it uses less digits than its factorization.

507399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969.

The product of its (nonzero) digits is 8505, while the sum is 33.

The square root of 507399 is about 712.3194508084. The cubic root of 507399 is about 79.7596431639.

Subtracting from 507399 its product of nonzero digits (8505), we obtain a palindrome (498894).

The spelling of 507399 in words is "five hundred seven thousand, three hundred ninety-nine".