849963 has 8 divisors (see below), whose sum is σ = 1138176. Its totient is φ = 564200.

The previous prime is 849943. The next prime is 849967. The reversal of 849963 is 369948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 849963 - 2⁵ = 849931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (849967) 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 7 ways as a sum of consecutive naturals, for example, 478 + ... + 1388.

It is an arithmetic number, because the mean of its divisors is an integer number (142272).

2⁸⁴⁹⁹⁶³ is an apocalyptic number.

849963 is a deficient number, since it is larger than the sum of its proper divisors (288213).

849963 is a wasteful number, since it uses less digits than its factorization.

849963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225.

The product of its digits is 46656, while the sum is 39.

The square root of 849963 is about 921.9343794436. The cubic root of 849963 is about 94.7254492310.

The spelling of 849963 in words is "eight hundred forty-nine thousand, nine hundred sixty-three".