502394 has 4 divisors (see below), whose sum is σ = 753594. Its totient is φ = 251196.

The previous prime is 502393. The next prime is 502409. The reversal of 502394 is 493205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 493205 = 5 ⋅98641.

It can be written as a sum of positive squares in only one way, i.e., 265225 + 237169 = 515^2 + 487^2 .

It is a plaindrome in base 13.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125597 + ... + 125600.

2⁵⁰²³⁹⁴ is an apocalyptic number.

502394 is a deficient number, since it is larger than the sum of its proper divisors (251200).

502394 is a wasteful number, since it uses less digits than its factorization.

502394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251199.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 502394 is about 708.7975733593. The cubic root of 502394 is about 79.4965255658.

Adding to 502394 its reverse (493205), we get a palindrome (995599).

The spelling of 502394 in words is "five hundred two thousand, three hundred ninety-four".