683868426 has 16 divisors (see below), whose sum is σ = 1375380000. Its totient is φ = 226682288.

The previous prime is 683868421. The next prime is 683868473. The reversal of 683868426 is 624868386.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (683868421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317301 + ... + 319448.

It is an arithmetic number, because the mean of its divisors is an integer number (85961250).

Almost surely, 2^683868426 is an apocalyptic number.

683868426 is an abundant number, since it is smaller than the sum of its proper divisors (691511574).

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

683868426 is a wasteful number, since it uses less digits than its factorization.

683868426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636933.

The product of its digits is 2654208, while the sum is 51.

The square root of 683868426 is about 26150.8781114516. The cubic root of 683868426 is about 881.0303126849.

The spelling of 683868426 in words is "six hundred eighty-three million, eight hundred sixty-eight thousand, four hundred twenty-six".