849247 has 4 divisors (see below), whose sum is σ = 970576. Its totient is φ = 727920.

The previous prime is 849241. The next prime is 849253. The reversal of 849247 is 742948.

It is a happy number.

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 (849241) and next prime (849253).

It is a cyclic number.

It is not a de Polignac number, because 849247 - 2⁷ = 849119 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849241) 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, 60654 + ... + 60667.

It is an arithmetic number, because the mean of its divisors is an integer number (242644).

2⁸⁴⁹²⁴⁷ is an apocalyptic number.

849247 is a deficient number, since it is larger than the sum of its proper divisors (121329).

849247 is a wasteful number, since it uses less digits than its factorization.

849247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121328.

The product of its digits is 16128, while the sum is 34.

The square root of 849247 is about 921.5459836601. The cubic root of 849247 is about 94.6988431806.

The spelling of 849247 in words is "eight hundred forty-nine thousand, two hundred forty-seven".