1394166806 has 8 divisors (see below), whose sum is σ = 2091567720. Its totient is φ = 696977568.

The previous prime is 1394166727. The next prime is 1394166841. The reversal of 1394166806 is 6086614931.

It is a happy number.

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

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, 35276 + ... + 63503.

It is an arithmetic number, because the mean of its divisors is an integer number (261445965).

Almost surely, 2^1394166806 is an apocalyptic number.

1394166806 is a deficient number, since it is larger than the sum of its proper divisors (697400914).

1394166806 is an equidigital number, since it uses as much as digits as its factorization.

1394166806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105838.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1394166806 is about 37338.5431692239. The cubic root of 1394166806 is about 1117.1330816811.

The spelling of 1394166806 in words is "one billion, three hundred ninety-four million, one hundred sixty-six thousand, eight hundred six".