502387 has 4 divisors (see below), whose sum is σ = 511920. Its totient is φ = 492856.

The previous prime is 502339. The next prime is 502393. The reversal of 502387 is 783205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783205 = 5 ⋅156641.

It is a cyclic number.

It is not a de Polignac number, because 502387 - 2⁷ = 502259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502087) 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, 4687 + ... + 4792.

It is an arithmetic number, because the mean of its divisors is an integer number (127980).

2⁵⁰²³⁸⁷ is an apocalyptic number.

502387 is a deficient number, since it is larger than the sum of its proper divisors (9533).

502387 is an equidigital number, since it uses as much as digits as its factorization.

502387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 502387 is about 708.7926354019. The cubic root of 502387 is about 79.4961563481.

The spelling of 502387 in words is "five hundred two thousand, three hundred eighty-seven".