849887 has 4 divisors (see below), whose sum is σ = 851880. Its totient is φ = 847896.

The previous prime is 849883. The next prime is 849917. The reversal of 849887 is 788948.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 849887 - 2² = 849883 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 1305.

It is an arithmetic number, because the mean of its divisors is an integer number (212970).

2⁸⁴⁹⁸⁸⁷ is an apocalyptic number.

849887 is a deficient number, since it is larger than the sum of its proper divisors (1993).

849887 is a wasteful number, since it uses less digits than its factorization.

849887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992.

The product of its digits is 129024, while the sum is 44.

The square root of 849887 is about 921.8931608381. The cubic root of 849887 is about 94.7226258341.

The spelling of 849887 in words is "eight hundred forty-nine thousand, eight hundred eighty-seven".