849290668 has 12 divisors (see below), whose sum is σ = 1494041472. Its totient is φ = 422421680.

The previous prime is 849290657. The next prime is 849290669. The reversal of 849290668 is 866092948.

It is not an unprimeable number, because it can be changed into a prime (849290669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555055 + ... + 556582.

It is an arithmetic number, because the mean of its divisors is an integer number (124503456).

Almost surely, 2^849290668 is an apocalyptic number.

It is an amenable number.

849290668 is a deficient number, since it is larger than the sum of its proper divisors (644750804).

849290668 is a wasteful number, since it uses less digits than its factorization.

849290668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111832 (or 1111830 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 849290668 is about 29142.5919917910. The cubic root of 849290668 is about 947.0046628057.

The spelling of 849290668 in words is "eight hundred forty-nine million, two hundred ninety thousand, six hundred sixty-eight".