849747 has 8 divisors (see below), whose sum is σ = 1141200. Its totient is φ = 562400.

The previous prime is 849743. The next prime is 849763. The reversal of 849747 is 747948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 849747 - 2² = 849743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (849743) 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 7 ways as a sum of consecutive naturals, for example, 504 + ... + 1397.

It is an arithmetic number, because the mean of its divisors is an integer number (142650).

2⁸⁴⁹⁷⁴⁷ is an apocalyptic number.

849747 is a deficient number, since it is larger than the sum of its proper divisors (291453).

849747 is a wasteful number, since it uses less digits than its factorization.

849747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053.

The product of its digits is 56448, while the sum is 39.

The square root of 849747 is about 921.8172270033. The cubic root of 849747 is about 94.7174243991.

It can be divided in two parts, 849 and 747, that added together give a triangular number (1596 = T₅₆).

The spelling of 849747 in words is "eight hundred forty-nine thousand, seven hundred forty-seven".