82985834 has 4 divisors (see below), whose sum is σ = 124478754. Its totient is φ = 41492916.

The previous prime is 82985831. The next prime is 82985839. The reversal of 82985834 is 43858928.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 69772609 + 13213225 = 8353^2 + 3635^2 .

It is not an unprimeable number, because it can be changed into a prime (82985831) by changing a digit.

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 as a sum of consecutive naturals, namely, 20746457 + ... + 20746460.

Almost surely, 2^82985834 is an apocalyptic number.

82985834 is a deficient number, since it is larger than the sum of its proper divisors (41492920).

82985834 is a wasteful number, since it uses less digits than its factorization.

82985834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41492919.

The product of its digits is 552960, while the sum is 47.

The square root of 82985834 is about 9109.6560857148. The cubic root of 82985834 is about 436.1822492302.

The spelling of 82985834 in words is "eighty-two million, nine hundred eighty-five thousand, eight hundred thirty-four".