2821827 has 8 divisors (see below), whose sum is σ = 3801616. Its totient is φ = 1861632.

The previous prime is 2821817. The next prime is 2821829. The reversal of 2821827 is 7281282.

It is a happy number.

2821827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2821827 - 2⁴ = 2821811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2821794 and 2821803.

It is not an unprimeable number, because it can be changed into a prime (2821829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4558 + ... + 5139.

It is an arithmetic number, because the mean of its divisors is an integer number (475202).

2^2821827 is an apocalyptic number.

2821827 is a deficient number, since it is larger than the sum of its proper divisors (979789).

2821827 is an equidigital number, since it uses as much as digits as its factorization.

2821827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9797.

The product of its digits is 3584, while the sum is 30.

The square root of 2821827 is about 1679.8294556294. The cubic root of 2821827 is about 141.3112684840.

The spelling of 2821827 in words is "two million, eight hundred twenty-one thousand, eight hundred twenty-seven".