849684043 has 4 divisors (see below), whose sum is σ = 915044368. Its totient is φ = 784323720.

The previous prime is 849684037. The next prime is 849684107. The reversal of 849684043 is 340486948.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 849684043 - 2¹³ = 849675851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 849683984 and 849684002.

It is not an unprimeable number, because it can be changed into a prime (849684643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32680143 + ... + 32680168.

It is an arithmetic number, because the mean of its divisors is an integer number (228761092).

Almost surely, 2^849684043 is an apocalyptic number.

849684043 is a deficient number, since it is larger than the sum of its proper divisors (65360325).

849684043 is a wasteful number, since it uses less digits than its factorization.

849684043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65360324.

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 849684043 is about 29149.3403527421. The cubic root of 849684043 is about 947.1508516478.

The spelling of 849684043 in words is "eight hundred forty-nine million, six hundred eighty-four thousand, forty-three".