497786390 has 16 divisors (see below), whose sum is σ = 898279632. Its totient is φ = 198611424.

The previous prime is 497786329. The next prime is 497786411. The reversal of 497786390 is 93687794.

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 7 ways as a sum of consecutive naturals, for example, 58724 + ... + 66663.

It is an arithmetic number, because the mean of its divisors is an integer number (56142477).

Almost surely, 2^497786390 is an apocalyptic number.

497786390 is a deficient number, since it is larger than the sum of its proper divisors (400493242).

497786390 is a wasteful number, since it uses less digits than its factorization.

497786390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125791.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 497786390 is about 22311.1270445937. The cubic root of 497786390 is about 792.5274975781.

The spelling of 497786390 in words is "four hundred ninety-seven million, seven hundred eighty-six thousand, three hundred ninety".