500685340 has 72 divisors (see below), whose sum is σ = 1145999232. Its totient is φ = 183530880.

The previous prime is 500685337. The next prime is 500685389. The reversal of 500685340 is 43586005.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222702 + ... + 224938.

It is an arithmetic number, because the mean of its divisors is an integer number (15916656).

Almost surely, 2^500685340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500685340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572999616).

500685340 is an abundant number, since it is smaller than the sum of its proper divisors (645313892).

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

500685340 is a wasteful number, since it uses less digits than its factorization.

500685340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 500685340 is about 22375.9991955667. Note that the first 3 decimals coincide. The cubic root of 500685340 is about 794.0629969029.

The spelling of 500685340 in words is "five hundred million, six hundred eighty-five thousand, three hundred forty".