849243727 has 4 divisors (see below), whose sum is σ = 849421840. Its totient is φ = 849065616.

The previous prime is 849243677. The next prime is 849243737. The reversal of 849243727 is 727342948.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849243727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849243737) 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, 81702 + ... + 91507.

It is an arithmetic number, because the mean of its divisors is an integer number (212355460).

Almost surely, 2^849243727 is an apocalyptic number.

849243727 is a deficient number, since it is larger than the sum of its proper divisors (178113).

849243727 is a wasteful number, since it uses less digits than its factorization.

849243727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178112.

The product of its digits is 677376, while the sum is 46.

The square root of 849243727 is about 29141.7866130407. The cubic root of 849243727 is about 946.9872152397.

The spelling of 849243727 in words is "eight hundred forty-nine million, two hundred forty-three thousand, seven hundred twenty-seven".