849736 has 8 divisors (see below), whose sum is σ = 1593270. Its totient is φ = 424864.

The previous prime is 849733. The next prime is 849743. The reversal of 849736 is 637948.

It can be written as a sum of positive squares in only one way, i.e., 820836 + 28900 = 906^2 + 170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 849695 and 849704.

It is not an unprimeable number, because it can be changed into a prime (849731) by changing a digit.

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 as a sum of consecutive naturals, namely, 53101 + ... + 53116.

2⁸⁴⁹⁷³⁶ is an apocalyptic number.

It is an amenable number.

849736 is a deficient number, since it is larger than the sum of its proper divisors (743534).

849736 is a wasteful number, since it uses less digits than its factorization.

849736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106223 (or 106219 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 849736 is about 921.8112605084. The cubic root of 849736 is about 94.7170156908.

The spelling of 849736 in words is "eight hundred forty-nine thousand, seven hundred thirty-six".