497238420 has 96 divisors (see below), whose sum is σ = 1605397248. Its totient is φ = 112637952.

The previous prime is 497238397. The next prime is 497238473. The reversal of 497238420 is 24832794.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42222 + ... + 52698.

It is an arithmetic number, because the mean of its divisors is an integer number (16722888).

Almost surely, 2^497238420 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 497238420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (802698624).

497238420 is an abundant number, since it is smaller than the sum of its proper divisors (1108158828).

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

497238420 is a wasteful number, since it uses less digits than its factorization.

497238420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10609 (or 10607 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 497238420 is about 22298.8434677676. The cubic root of 497238420 is about 792.2365824698.

The spelling of 497238420 in words is "four hundred ninety-seven million, two hundred thirty-eight thousand, four hundred twenty".