849580 has 24 divisors (see below), whose sum is σ = 1805328. Its totient is φ = 335808.

The previous prime is 849571. The next prime is 849581. The reversal of 849580 is 85948.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (849581) by changing a digit.

849580 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 7 ways as a sum of consecutive naturals, for example, 1942 + ... + 2338.

It is an arithmetic number, because the mean of its divisors is an integer number (75222).

2⁸⁴⁹⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

849580 is an abundant number, since it is smaller than the sum of its proper divisors (955748).

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

849580 is a wasteful number, since it uses less digits than its factorization.

849580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 849580 is about 921.7266406045. The cubic root of 849580 is about 94.7112190831.

The spelling of 849580 in words is "eight hundred forty-nine thousand, five hundred eighty".