685830498 has 16 divisors (see below), whose sum is σ = 1443853920. Its totient is φ = 216578016.

The previous prime is 685830463. The next prime is 685830527. The reversal of 685830498 is 894038586.

It is a self number, because there is not a number n which added to its sum of digits gives 685830498.

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 7 ways as a sum of consecutive naturals, for example, 3007915 + ... + 3008142.

It is an arithmetic number, because the mean of its divisors is an integer number (90240870).

Almost surely, 2^685830498 is an apocalyptic number.

685830498 is an abundant number, since it is smaller than the sum of its proper divisors (758023422).

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

685830498 is a wasteful number, since it uses less digits than its factorization.

685830498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016081.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 685830498 is about 26188.3656992948. The cubic root of 685830498 is about 881.8720897803.

The spelling of 685830498 in words is "six hundred eighty-five million, eight hundred thirty thousand, four hundred ninety-eight".