849434345 has 16 divisors (see below), whose sum is σ = 1049806848. Its totient is φ = 659327040.

The previous prime is 849434329. The next prime is 849434347. The reversal of 849434345 is 543434948.

849434345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 849434345 - 2⁴ = 849434329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 849434296 and 849434305.

It is not an unprimeable number, because it can be changed into a prime (849434347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61640 + ... + 74150.

It is an arithmetic number, because the mean of its divisors is an integer number (65612928).

Almost surely, 2^849434345 is an apocalyptic number.

It is an amenable number.

849434345 is a deficient number, since it is larger than the sum of its proper divisors (200372503).

849434345 is a wasteful number, since it uses less digits than its factorization.

849434345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920.

The product of its digits is 829440, while the sum is 44.

The square root of 849434345 is about 29145.0569565407. The cubic root of 849434345 is about 947.0580623158.

The spelling of 849434345 in words is "eight hundred forty-nine million, four hundred thirty-four thousand, three hundred forty-five".