849005 has 8 divisors (see below), whose sum is σ = 1024152. Its totient is φ = 675648.

The previous prime is 848993. The next prime is 849019. The reversal of 849005 is 500948.

It can be written as a sum of positive squares in 4 ways, for example, as 40804 + 808201 = 202^2 + 899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 849005 - 2⁶ = 848941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (128019).

2⁸⁴⁹⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

849005 is a deficient number, since it is larger than the sum of its proper divisors (175147).

849005 is a wasteful number, since it uses less digits than its factorization.

849005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 849005 is about 921.4146732064. The cubic root of 849005 is about 94.6898472516.

The spelling of 849005 in words is "eight hundred forty-nine thousand, five".