849556 has 12 divisors (see below), whose sum is σ = 1496992. Its totient is φ = 421848.

The previous prime is 849539. The next prime is 849571. The reversal of 849556 is 655948.

849556 is a nontrivial binomial coefficient, being equal to C(1304, 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 1303.

2⁸⁴⁹⁵⁵⁶ is an apocalyptic number.

849556 is the 1303-rd triangular number and also the 652-nd hexagonal number.

849556 is the 435-th centered nonagonal number.

It is an amenable number.

849556 is a deficient number, since it is larger than the sum of its proper divisors (647436).

849556 is a wasteful number, since it uses less digits than its factorization.

849556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470 (or 1468 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 849556 is about 921.7136214682. The cubic root of 849556 is about 94.7103272343.

The spelling of 849556 in words is "eight hundred forty-nine thousand, five hundred fifty-six".