849953 has 4 divisors (see below), whose sum is σ = 915348. Its totient is φ = 784560.

The previous prime is 849943. The next prime is 849967. The reversal of 849953 is 359948.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54289 + 795664 = 233^2 + 892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32678 + ... + 32703.

It is an arithmetic number, because the mean of its divisors is an integer number (228837).

2⁸⁴⁹⁹⁵³ is an apocalyptic number.

It is an amenable number.

849953 is a deficient number, since it is larger than the sum of its proper divisors (65395).

849953 is a wasteful number, since it uses less digits than its factorization.

849953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65394.

The product of its digits is 38880, while the sum is 38.

The square root of 849953 is about 921.9289560481. The cubic root of 849953 is about 94.7250777410.

The spelling of 849953 in words is "eight hundred forty-nine thousand, nine hundred fifty-three".