683456398 has 8 divisors (see below), whose sum is σ = 1060535880. Its totient is φ = 329944440.

The previous prime is 683456387. The next prime is 683456407. The reversal of 683456398 is 893654386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×683456398² = 934225295934268808, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5891808 + ... + 5891923.

It is an arithmetic number, because the mean of its divisors is an integer number (132566985).

Almost surely, 2^683456398 is an apocalyptic number.

683456398 is a deficient number, since it is larger than the sum of its proper divisors (377079482).

683456398 is a wasteful number, since it uses less digits than its factorization.

683456398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11783762.

The product of its digits is 3732480, while the sum is 52.

The square root of 683456398 is about 26142.9990245955. Note that the first 3 decimals coincide. The cubic root of 683456398 is about 880.8533380544.

The spelling of 683456398 in words is "six hundred eighty-three million, four hundred fifty-six thousand, three hundred ninety-eight".