849642 has 32 divisors (see below), whose sum is σ = 1857600. Its totient is φ = 258048.

The previous prime is 849601. The next prime is 849649. The reversal of 849642 is 246948.

It is not an unprimeable number, because it can be changed into a prime (849649) 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 15 ways as a sum of consecutive naturals, for example, 3178 + ... + 3434.

It is an arithmetic number, because the mean of its divisors is an integer number (58050).

2⁸⁴⁹⁶⁴² is an apocalyptic number.

849642 is an abundant number, since it is smaller than the sum of its proper divisors (1007958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

849642 is a wasteful number, since it uses less digits than its factorization.

849642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310.

The product of its digits is 13824, while the sum is 33.

The square root of 849642 is about 921.7602725221. The cubic root of 849642 is about 94.7135229480.

The spelling of 849642 in words is "eight hundred forty-nine thousand, six hundred forty-two".