1685795834 has 8 divisors (see below), whose sum is σ = 2545665300. Its totient is φ = 837240736.

The previous prime is 1685795759. The next prime is 1685795899. The reversal of 1685795834 is 4385975861.

It can be written as a sum of positive squares in 2 ways, for example, as 1636445209 + 49350625 = 40453^2 + 7025^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1685795834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828219 + ... + 2828814.

Almost surely, 2^1685795834 is an apocalyptic number.

1685795834 is a deficient number, since it is larger than the sum of its proper divisors (859869466).

1685795834 is a wasteful number, since it uses less digits than its factorization.

1685795834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657184.

The product of its digits is 7257600, while the sum is 56.

The square root of 1685795834 is about 41058.4441254171. Note that the first 3 decimals coincide. The cubic root of 1685795834 is about 1190.1498843762.

The spelling of 1685795834 in words is "one billion, six hundred eighty-five million, seven hundred ninety-five thousand, eight hundred thirty-four".