849343039 has 4 divisors (see below), whose sum is σ = 878630760. Its totient is φ = 820055320.

The previous prime is 849343031. The next prime is 849343051. The reversal of 849343039 is 930343948.

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 849343039 - 2³ = 849343031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 849342986 and 849343004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849343031) 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, 14643817 + ... + 14643874.

It is an arithmetic number, because the mean of its divisors is an integer number (219657690).

Almost surely, 2^849343039 is an apocalyptic number.

849343039 is a deficient number, since it is larger than the sum of its proper divisors (29287721).

849343039 is a wasteful number, since it uses less digits than its factorization.

849343039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29287720.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 849343039 is about 29143.4905081735. The cubic root of 849343039 is about 947.0241278972.

The spelling of 849343039 in words is "eight hundred forty-nine million, three hundred forty-three thousand, thirty-nine".