497091646 has 16 divisors (see below), whose sum is σ = 766197504. Its totient is φ = 241757784.

The previous prime is 497091631. The next prime is 497091649. The reversal of 497091646 is 646190794.

It is a junction number, because it is equal to n+sod(n) for n = 497091596 and 497091605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497091649) 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 7 ways as a sum of consecutive naturals, for example, 900 + ... + 31543.

It is an arithmetic number, because the mean of its divisors is an integer number (47887344).

Almost surely, 2^497091646 is an apocalyptic number.

497091646 is a deficient number, since it is larger than the sum of its proper divisors (269105858).

497091646 is a wasteful number, since it uses less digits than its factorization.

497091646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32655.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 497091646 is about 22295.5521573250. The cubic root of 497091646 is about 792.1586244451.

The spelling of 497091646 in words is "four hundred ninety-seven million, ninety-one thousand, six hundred forty-six".