497784546 has 72 divisors (see below), whose sum is σ = 1273963392. Its totient is φ = 137602800.

The previous prime is 497784541. The next prime is 497784563. The reversal of 497784546 is 645487794.

497784546 is a `hidden beast` number, since 4 + 97 + 7 + 8 + 4 + 546 = 666.

It is a super-2 number, since 2×497784546² = 495578908472852232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 497784492 and 497784501.

It is not an unprimeable number, because it can be changed into a prime (497784541) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 119031 + ... + 123141.

It is an arithmetic number, because the mean of its divisors is an integer number (17693936).

Almost surely, 2^497784546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497784546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636981696).

497784546 is an abundant number, since it is smaller than the sum of its proper divisors (776178846).

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

497784546 is a wasteful number, since it uses less digits than its factorization.

497784546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188 (or 4154 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 497784546 is about 22311.0857198837. The cubic root of 497784546 is about 792.5265189639.

The spelling of 497784546 in words is "four hundred ninety-seven million, seven hundred eighty-four thousand, five hundred forty-six".