849955 has 4 divisors (see below), whose sum is σ = 1019952. Its totient is φ = 679960.

The previous prime is 849943. The next prime is 849967. The reversal of 849955 is 559948.

849955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (849943) and next prime (849967).

It is not a de Polignac number, because 849955 - 2⁵ = 849923 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84991 + ... + 85000.

It is an arithmetic number, because the mean of its divisors is an integer number (254988).

2⁸⁴⁹⁹⁵⁵ is an apocalyptic number.

849955 is a deficient number, since it is larger than the sum of its proper divisors (169997).

849955 is a wasteful number, since it uses less digits than its factorization.

849955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169996.

The product of its digits is 64800, while the sum is 40.

The square root of 849955 is about 921.9300407298. The cubic root of 849955 is about 94.7251520393.

The spelling of 849955 in words is "eight hundred forty-nine thousand, nine hundred fifty-five".