849723 has 16 divisors (see below), whose sum is σ = 1326336. Its totient is φ = 473760.

The previous prime is 849721. The next prime is 849727. The reversal of 849723 is 327948.

It is not a de Polignac number, because 849723 - 2¹ = 849721 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 4⁹ + 7⁵ + 9⁴ + 2 + 3¹² .

It is not an unprimeable number, because it can be changed into a prime (849721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433 + ... + 1373.

It is an arithmetic number, because the mean of its divisors is an integer number (82896).

2⁸⁴⁹⁷²³ is an apocalyptic number.

849723 is a deficient number, since it is larger than the sum of its proper divisors (476613).

849723 is a wasteful number, since it uses less digits than its factorization.

849723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994.

The product of its digits is 12096, while the sum is 33.

The square root of 849723 is about 921.8042091464. The cubic root of 849723 is about 94.7165326672.

The spelling of 849723 in words is "eight hundred forty-nine thousand, seven hundred twenty-three".