849469 has 4 divisors (see below), whose sum is σ = 852544. Its totient is φ = 846396.

The previous prime is 849467. The next prime is 849481. The reversal of 849469 is 964948.

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 a cyclic number.

It is not a de Polignac number, because 849469 - 2¹ = 849467 is a prime.

It is a super-2 number, since 2×849469² = 1443195163922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849461) 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 3 ways as a sum of consecutive naturals, for example, 1077 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (213136).

2⁸⁴⁹⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

849469 is a deficient number, since it is larger than the sum of its proper divisors (3075).

849469 is a wasteful number, since it uses less digits than its factorization.

849469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074.

The product of its digits is 62208, while the sum is 40.

The square root of 849469 is about 921.6664255575. Note that the first 3 decimals coincide. The cubic root of 849469 is about 94.7070941416.

The spelling of 849469 in words is "eight hundred forty-nine thousand, four hundred sixty-nine".