849984 has 56 divisors (see below), whose sum is σ = 2377440. Its totient is φ = 267264.

The previous prime is 849973. The next prime is 849991. The reversal of 849984 is 489948.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3532 + ... + 3764.

2⁸⁴⁹⁹⁸⁴ 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 849984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188720).

849984 is an abundant number, since it is smaller than the sum of its proper divisors (1527456).

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

849984 is a wasteful number, since it uses less digits than its factorization.

849984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 257 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 849984 is about 921.9457684701. The cubic root of 849984 is about 94.7262293505.

The spelling of 849984 in words is "eight hundred forty-nine thousand, nine hundred eighty-four".