849115 has 4 divisors (see below), whose sum is σ = 1018944. Its totient is φ = 679288.

The previous prime is 849103. The next prime is 849119. The reversal of 849115 is 511948.

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 849115 - 2⁵ = 849083 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84907 + ... + 84916.

It is an arithmetic number, because the mean of its divisors is an integer number (254736).

2⁸⁴⁹¹¹⁵ is an apocalyptic number.

849115 is a deficient number, since it is larger than the sum of its proper divisors (169829).

849115 is a wasteful number, since it uses less digits than its factorization.

849115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169828.

The product of its digits is 1440, while the sum is 28.

The square root of 849115 is about 921.4743620959. The cubic root of 849115 is about 94.6939365222.

The spelling of 849115 in words is "eight hundred forty-nine thousand, one hundred fifteen".