502397 has 6 divisors (see below), whose sum is σ = 584478. Its totient is φ = 430584.

The previous prime is 502393. The next prime is 502409. The reversal of 502397 is 793205.

502397 = T₁₁₈ + T₁₁₉ + ... + T₁₆₆.

It can be written as a sum of positive squares in only one way, i.e., 337561 + 164836 = 581^2 + 406^2 .

It is not a de Polignac number, because 502397 - 2² = 502393 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5078 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (97413).

2⁵⁰²³⁹⁷ is an apocalyptic number.

It is an amenable number.

502397 is a deficient number, since it is larger than the sum of its proper divisors (82081).

502397 is a wasteful number, since it uses less digits than its factorization.

502397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10267 (or 10260 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 502397 is about 708.7996896162. The cubic root of 502397 is about 79.4966838009.

The spelling of 502397 in words is "five hundred two thousand, three hundred ninety-seven".