497645400 has 192 divisors, whose sum is σ = 1801313280. Its totient is φ = 111283200.

The previous prime is 497645389. The next prime is 497645431. The reversal of 497645400 is 4546794.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196140 + ... + 198660.

It is an arithmetic number, because the mean of its divisors is an integer number (9381840).

Almost surely, 2^497645400 is an apocalyptic number.

497645400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497645400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900656640).

497645400 is an abundant number, since it is smaller than the sum of its proper divisors (1303667880).

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

497645400 is a wasteful number, since it uses less digits than its factorization.

497645400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594 (or 2585 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 497645400 is about 22307.9671866354. The cubic root of 497645400 is about 792.4526669511.

The spelling of 497645400 in words is "four hundred ninety-seven million, six hundred forty-five thousand, four hundred".