849340 has 12 divisors (see below), whose sum is σ = 1783656. Its totient is φ = 339728.

The previous prime is 849311. The next prime is 849347. The reversal of 849340 is 43948.

It is a junction number, because it is equal to n+sod(n) for n = 849299 and 849308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849347) 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, 21214 + ... + 21253.

It is an arithmetic number, because the mean of its divisors is an integer number (148638).

2⁸⁴⁹³⁴⁰ is an apocalyptic number.

It is an amenable number.

849340 is an abundant number, since it is smaller than the sum of its proper divisors (934316).

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

849340 is a wasteful number, since it uses less digits than its factorization.

849340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42476 (or 42474 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 849340 is about 921.5964409654. The cubic root of 849340 is about 94.7022998393.

The spelling of 849340 in words is "eight hundred forty-nine thousand, three hundred forty".