508628 has 6 divisors (see below), whose sum is σ = 890106. Its totient is φ = 254312.

The previous prime is 508621. The next prime is 508637. The reversal of 508628 is 826805.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 394384 + 114244 = 628^2 + 338^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 508628.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 508628.

It is not an unprimeable number, because it can be changed into a prime (508621) by changing a digit.

508628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63575 + ... + 63582.

It is an arithmetic number, because the mean of its divisors is an integer number (148351).

2⁵⁰⁸⁶²⁸ is an apocalyptic number.

It is an amenable number.

508628 is a deficient number, since it is larger than the sum of its proper divisors (381478).

508628 is a wasteful number, since it uses less digits than its factorization.

508628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127161 (or 127159 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 508628 is about 713.1816038009. The cubic root of 508628 is about 79.8239880313.

The spelling of 508628 in words is "five hundred eight thousand, six hundred twenty-eight".