502406 has 4 divisors (see below), whose sum is σ = 753612. Its totient is φ = 251202.

The previous prime is 502393. The next prime is 502409. The reversal of 502406 is 604205.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125600 + ... + 125603.

It is an arithmetic number, because the mean of its divisors is an integer number (188403).

2⁵⁰²⁴⁰⁶ is an apocalyptic number.

502406 is a deficient number, since it is larger than the sum of its proper divisors (251206).

502406 is a wasteful number, since it uses less digits than its factorization.

502406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251205.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 502406 is about 708.8060383490. The cubic root of 502406 is about 79.4971585024.

The spelling of 502406 in words is "five hundred two thousand, four hundred six".