683842738 has 8 divisors (see below), whose sum is σ = 1026007920. Its totient is φ = 341840100.

The previous prime is 683842681. The next prime is 683842741. The reversal of 683842738 is 837248386.

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

It is a junction number, because it is equal to n+sod(n) for n = 683842691 and 683842700.

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 3 ways as a sum of consecutive naturals, for example, 29508 + ... + 47311.

It is an arithmetic number, because the mean of its divisors is an integer number (128250990).

Almost surely, 2^683842738 is an apocalyptic number.

683842738 is a deficient number, since it is larger than the sum of its proper divisors (342165182).

683842738 is a wasteful number, since it uses less digits than its factorization.

683842738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81272.

The product of its digits is 1548288, while the sum is 49.

The square root of 683842738 is about 26150.3869569840. The cubic root of 683842738 is about 881.0192812305.

The spelling of 683842738 in words is "six hundred eighty-three million, eight hundred forty-two thousand, seven hundred thirty-eight".