884749 has 4 divisors (see below), whose sum is σ = 894780. Its totient is φ = 874720.

The previous prime is 884743. The next prime is 884789. The reversal of 884749 is 947488.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47524 + 837225 = 218^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 884749 - 2⁵ = 884717 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4882 + ... + 5059.

It is an arithmetic number, because the mean of its divisors is an integer number (223695).

2⁸⁸⁴⁷⁴⁹ is an apocalyptic number.

884749 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

884749 is a deficient number, since it is larger than the sum of its proper divisors (10031).

884749 is an equidigital number, since it uses as much as digits as its factorization.

884749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030.

The product of its digits is 64512, while the sum is 40.

The square root of 884749 is about 940.6109716562. The cubic root of 884749 is about 96.0004701945. Note that the first 3 decimals are identical.

The spelling of 884749 in words is "eight hundred eighty-four thousand, seven hundred forty-nine".