834661806 has 16 divisors (see below), whose sum is σ = 1821080448. Its totient is φ = 252927800.

The previous prime is 834661783. The next prime is 834661819. The reversal of 834661806 is 608166438.

It is a happy number.

It is a Curzon number.

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, 6323130 + ... + 6323261.

It is an arithmetic number, because the mean of its divisors is an integer number (113817528).

Almost surely, 2^834661806 is an apocalyptic number.

834661806 is an abundant number, since it is smaller than the sum of its proper divisors (986418642).

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

834661806 is a wasteful number, since it uses less digits than its factorization.

834661806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12646407.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 834661806 is about 28890.5141179592. The cubic root of 834661806 is about 941.5358196488.

The spelling of 834661806 in words is "eight hundred thirty-four million, six hundred sixty-one thousand, eight hundred six".