497256984 has 96 divisors (see below), whose sum is σ = 1557803520. Its totient is φ = 140349888.

The previous prime is 497256983. The next prime is 497257001. The reversal of 497256984 is 489652794.

497256984 is a `hidden beast` number, since 4 + 9 + 72 + 569 + 8 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 497256984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497256983) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 35889 + ... + 47775.

It is an arithmetic number, because the mean of its divisors is an integer number (16227120).

Almost surely, 2^497256984 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 497256984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778901760).

497256984 is an abundant number, since it is smaller than the sum of its proper divisors (1060546536).

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

497256984 is a wasteful number, since it uses less digits than its factorization.

497256984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11989 (or 11982 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 497256984 is about 22299.2597186543. The cubic root of 497256984 is about 792.2464415209.

The spelling of 497256984 in words is "four hundred ninety-seven million, two hundred fifty-six thousand, nine hundred eighty-four".