849995 has 8 divisors (see below), whose sum is σ = 1041984. Its totient is φ = 665344.

The previous prime is 849991. The next prime is 849997. The reversal of 849995 is 599948.

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 849995 - 2² = 849991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1574 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (130248).

2⁸⁴⁹⁹⁹⁵ is an apocalyptic number.

849995 is a deficient number, since it is larger than the sum of its proper divisors (191989).

849995 is a wasteful number, since it uses less digits than its factorization.

849995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669.

The product of its digits is 116640, while the sum is 44.

The square root of 849995 is about 921.9517340946. The cubic root of 849995 is about 94.7266379794.

Subtracting from 849995 its reverse (599948), we obtain a cube (250047 = 63³).

The spelling of 849995 in words is "eight hundred forty-nine thousand, nine hundred ninety-five".