508240 has 20 divisors (see below), whose sum is σ = 1181844. Its totient is φ = 203264.

The previous prime is 508237. The next prime is 508243. The reversal of 508240 is 42805.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (508237) and next prime (508243).

It can be written as a sum of positive squares in 2 ways, for example, as 207936 + 300304 = 456^2 + 548^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508243) 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, 3097 + ... + 3256.

2⁵⁰⁸²⁴⁰ is an apocalyptic number.

It is an amenable number.

508240 is an abundant number, since it is smaller than the sum of its proper divisors (673604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

508240 is a wasteful number, since it uses less digits than its factorization.

508240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366 (or 6360 counting only the distinct ones).

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

The square root of 508240 is about 712.9095314274. The cubic root of 508240 is about 79.8036853175.

The spelling of 508240 in words is "five hundred eight thousand, two hundred forty".