683218838 has 16 divisors (see below), whose sum is σ = 1056357744. Its totient is φ = 331166880.

The previous prime is 683218829. The next prime is 683218897. The reversal of 683218838 is 838812386.

683218838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 683218792 and 683218801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3833 + ... + 37163.

It is an arithmetic number, because the mean of its divisors is an integer number (66022359).

Almost surely, 2^683218838 is an apocalyptic number.

683218838 is a deficient number, since it is larger than the sum of its proper divisors (373138906).

683218838 is a wasteful number, since it uses less digits than its factorization.

683218838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33647.

The product of its digits is 442368, while the sum is 47.

The square root of 683218838 is about 26138.4551571052. The cubic root of 683218838 is about 880.7512687446.

The spelling of 683218838 in words is "six hundred eighty-three million, two hundred eighteen thousand, eight hundred thirty-eight".