849459 has 16 divisors (see below), whose sum is σ = 1274112. Its totient is φ = 499488.

The previous prime is 849427. The next prime is 849461. The reversal of 849459 is 954948.

It is not a de Polignac number, because 849459 - 2⁵ = 849427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

849459 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 849459.

It is not an unprimeable number, because it can be changed into a prime (849419) 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, 424 + ... + 1370.

It is an arithmetic number, because the mean of its divisors is an integer number (79632).

2⁸⁴⁹⁴⁵⁹ is an apocalyptic number.

849459 is a deficient number, since it is larger than the sum of its proper divisors (424653).

849459 is a wasteful number, since it uses less digits than its factorization.

849459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986.

The product of its digits is 51840, while the sum is 39.

The square root of 849459 is about 921.6610005854. The cubic root of 849459 is about 94.7067225076.

The spelling of 849459 in words is "eight hundred forty-nine thousand, four hundred fifty-nine".