849280 has 32 divisors (see below), whose sum is σ = 2031840. Its totient is φ = 339456.

The previous prime is 849271. The next prime is 849301. The reversal of 849280 is 82948.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

849280 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (63495).

2⁸⁴⁹²⁸⁰ is an apocalyptic number.

849280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 849280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015920).

849280 is an abundant number, since it is smaller than the sum of its proper divisors (1182560).

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

849280 is a wasteful number, since it uses less digits than its factorization.

849280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 849280 is about 921.5638881814. The cubic root of 849280 is about 94.7000697658.

The spelling of 849280 in words is "eight hundred forty-nine thousand, two hundred eighty".