504397 has 4 divisors (see below), whose sum is σ = 521820. Its totient is φ = 486976.

The previous prime is 504389. The next prime is 504403. The reversal of 504397 is 793405.

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

It can be written as a sum of positive squares in 2 ways, for example, as 184041 + 320356 = 429^2 + 566^2 .

It is a cyclic number.

It is not a de Polignac number, because 504397 - 2³ = 504389 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 (504307) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 8668 + ... + 8725.

It is an arithmetic number, because the mean of its divisors is an integer number (130455).

2⁵⁰⁴³⁹⁷ is an apocalyptic number.

It is an amenable number.

504397 is a deficient number, since it is larger than the sum of its proper divisors (17423).

504397 is a wasteful number, since it uses less digits than its factorization.

504397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17422.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 504397 is about 710.2091241318. The cubic root of 504397 is about 79.6020339876.

The spelling of 504397 in words is "five hundred four thousand, three hundred ninety-seven".