849718 has 16 divisors (see below), whose sum is σ = 1368000. Its totient is φ = 394632.

The previous prime is 849703. The next prime is 849721. The reversal of 849718 is 817948.

It is an Ulam number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

849718 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (85500).

2⁸⁴⁹⁷¹⁸ is an apocalyptic number.

849718 is a deficient number, since it is larger than the sum of its proper divisors (518282).

849718 is a wasteful number, since it uses less digits than its factorization.

849718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459.

The product of its digits is 16128, while the sum is 37.

The square root of 849718 is about 921.8014970697. The cubic root of 849718 is about 94.7163468876.

It can be divided in two parts, 8497 and 18, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 849718 in words is "eight hundred forty-nine thousand, seven hundred eighteen".