849396854 has 16 divisors (see below), whose sum is σ = 1330211808. Its totient is φ = 406012992.

The previous prime is 849396853. The next prime is 849396859. The reversal of 849396854 is 458693948.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 849396854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849396853) 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 in 7 ways as a sum of consecutive naturals, for example, 108314 + ... + 115890.

It is an arithmetic number, because the mean of its divisors is an integer number (83138238).

Almost surely, 2^849396854 is an apocalyptic number.

849396854 is a deficient number, since it is larger than the sum of its proper divisors (480814954).

849396854 is a wasteful number, since it uses less digits than its factorization.

849396854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10039.

The product of its digits is 7464960, while the sum is 56.

The square root of 849396854 is about 29144.4137700521. The cubic root of 849396854 is about 947.0441288567.

The spelling of 849396854 in words is "eight hundred forty-nine million, three hundred ninety-six thousand, eight hundred fifty-four".