849728 has 56 divisors (see below), whose sum is σ = 1975104. Its totient is φ = 358400.

The previous prime is 849727. The next prime is 849731. The reversal of 849728 is 827948.

849728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 849691 and 849700.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 849728.

It is not an unprimeable number, because it can be changed into a prime (849721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11933 + ... + 12003.

2⁸⁴⁹⁷²⁸ is an apocalyptic number.

849728 is a gapful number since it is divisible by the number (88) 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 849728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987552).

849728 is an abundant number, since it is smaller than the sum of its proper divisors (1125376).

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

849728 is a wasteful number, since it uses less digits than its factorization.

849728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 101 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 849728 is about 921.8069212151. The cubic root of 849728 is about 94.7167184461.

The spelling of 849728 in words is "eight hundred forty-nine thousand, seven hundred twenty-eight".