849664790 has 32 divisors (see below), whose sum is σ = 1654170336. Its totient is φ = 312364800.

The previous prime is 849664763. The next prime is 849664801. The reversal of 849664790 is 97466948.

It is a happy number.

849664790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16265 + ... + 44315.

It is an arithmetic number, because the mean of its divisors is an integer number (51692823).

Almost surely, 2^849664790 is an apocalyptic number.

849664790 is a deficient number, since it is larger than the sum of its proper divisors (804505546).

849664790 is a wasteful number, since it uses less digits than its factorization.

849664790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28304.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 849664790 is about 29149.0101032608. The cubic root of 849664790 is about 947.1436977599.

The spelling of 849664790 in words is "eight hundred forty-nine million, six hundred sixty-four thousand, seven hundred ninety".