849673 has 4 divisors (see below), whose sum is σ = 926928. Its totient is φ = 772420.

The previous prime is 849649. The next prime is 849691. The reversal of 849673 is 376948.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 849673 - 2⁹ = 849161 is a prime.

It is a d-powerful number, because it can be written as 8³ + 4⁷ + 6⁵ + 9³ + 7⁷ + 3⁶ .

It is a Duffinian number.

849673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (849773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38611 + ... + 38632.

It is an arithmetic number, because the mean of its divisors is an integer number (231732).

2⁸⁴⁹⁶⁷³ is an apocalyptic number.

It is an amenable number.

849673 is a deficient number, since it is larger than the sum of its proper divisors (77255).

849673 is a wasteful number, since it uses less digits than its factorization.

849673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77254.

The product of its digits is 36288, while the sum is 37.

The square root of 849673 is about 921.7770880207. Note that the first 3 decimals coincide. The cubic root of 849673 is about 94.7146748384.

The spelling of 849673 in words is "eight hundred forty-nine thousand, six hundred seventy-three".