497643624 has 48 divisors (see below), whose sum is σ = 1354878720. Its totient is φ = 165008160.

The previous prime is 497643613. The next prime is 497643631. The reversal of 497643624 is 426346794.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 497643624.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4342 + ... + 31845.

It is an arithmetic number, because the mean of its divisors is an integer number (28226640).

Almost surely, 2^497643624 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 497643624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677439360).

497643624 is an abundant number, since it is smaller than the sum of its proper divisors (857235096).

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

497643624 is a wasteful number, since it uses less digits than its factorization.

497643624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36390 (or 36383 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 497643624 is about 22307.9273801938. The cubic root of 497643624 is about 792.4517242467.

The spelling of 497643624 in words is "four hundred ninety-seven million, six hundred forty-three thousand, six hundred twenty-four".