500428 has 6 divisors (see below), whose sum is σ = 875756. Its totient is φ = 250212.

The previous prime is 500417. The next prime is 500431. The reversal of 500428 is 824005.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62550 + ... + 62557.

2⁵⁰⁰⁴²⁸ is an apocalyptic number.

It is an amenable number.

500428 is a deficient number, since it is larger than the sum of its proper divisors (375328).

500428 is a wasteful number, since it uses less digits than its factorization.

500428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125111 (or 125109 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 500428 is about 707.4093581513. The cubic root of 500428 is about 79.3926930612.

The spelling of 500428 in words is "five hundred thousand, four hundred twenty-eight".