849942 has 24 divisors (see below), whose sum is σ = 1922544. Its totient is φ = 270864.

The previous prime is 849931. The next prime is 849943. The reversal of 849942 is 249948.

It is a happy number.

849942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 849897 and 849906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 613 + ... + 1440.

It is an arithmetic number, because the mean of its divisors is an integer number (80106).

2⁸⁴⁹⁹⁴² is an apocalyptic number.

849942 is an abundant number, since it is smaller than the sum of its proper divisors (1072602).

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

849942 is a wasteful number, since it uses less digits than its factorization.

849942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2081 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 849942 is about 921.9229902763. The cubic root of 849942 is about 94.7246690987.

The spelling of 849942 in words is "eight hundred forty-nine thousand, nine hundred forty-two".