1396843806 has 8 divisors (see below), whose sum is σ = 2793687624. Its totient is φ = 465614600.

The previous prime is 1396843757. The next prime is 1396843823. The reversal of 1396843806 is 6083486931.

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

1396843806 is an admirable number.

It is a Curzon number.

It is a congruent number.

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, 116403645 + ... + 116403656.

It is an arithmetic number, because the mean of its divisors is an integer number (349210953).

Almost surely, 2^1396843806 is an apocalyptic number.

1396843806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1396843806 is a wasteful number, since it uses less digits than its factorization.

1396843806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232807306.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 1396843806 is about 37374.3736536146. The cubic root of 1396843806 is about 1117.8476430429.

The spelling of 1396843806 in words is "one billion, three hundred ninety-six million, eight hundred forty-three thousand, eight hundred six".