849246890 has 16 divisors (see below), whose sum is σ = 1530265608. Its totient is φ = 339338496.

The previous prime is 849246869. The next prime is 849246907. The reversal of 849246890 is 98642948.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 626550961 + 222695929 = 25031^2 + 14923^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35027 + ... + 54086.

Almost surely, 2^849246890 is an apocalyptic number.

849246890 is a deficient number, since it is larger than the sum of its proper divisors (681018718).

849246890 is a wasteful number, since it uses less digits than its factorization.

849246890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90073.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 849246890 is about 29141.8408821406. The cubic root of 849246890 is about 946.9883909198.

The spelling of 849246890 in words is "eight hundred forty-nine million, two hundred forty-six thousand, eight hundred ninety".