849320 has 32 divisors (see below), whose sum is σ = 2025000. Its totient is φ = 319488.

The previous prime is 849311. The next prime is 849347. The reversal of 849320 is 23948.

It can be written as a sum of positive squares in 4 ways, for example, as 743044 + 106276 = 862^2 + 326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 849320.

It is an unprimeable number.

849320 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 56 + ... + 1304.

2⁸⁴⁹³²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012500).

849320 is an abundant number, since it is smaller than the sum of its proper divisors (1175680).

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

849320 is a wasteful number, since it uses less digits than its factorization.

849320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 849320 is about 921.5855901651. The cubic root of 849320 is about 94.7015564931.

The spelling of 849320 in words is "eight hundred forty-nine thousand, three hundred twenty".