849487 has 4 divisors (see below), whose sum is σ = 860320. Its totient is φ = 838656.

The previous prime is 849481. The next prime is 849523. The reversal of 849487 is 784948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849481) 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, 5298 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (215080).

2⁸⁴⁹⁴⁸⁷ is an apocalyptic number.

849487 is a deficient number, since it is larger than the sum of its proper divisors (10833).

849487 is a wasteful number, since it uses less digits than its factorization.

849487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10832.

The product of its digits is 64512, while the sum is 40.

The square root of 849487 is about 921.6761904270. The cubic root of 849487 is about 94.7077630755.

The spelling of 849487 in words is "eight hundred forty-nine thousand, four hundred eighty-seven".