2839822 has 4 divisors (see below), whose sum is σ = 4259736. Its totient is φ = 1419910.

The previous prime is 2839819. The next prime is 2839831. The reversal of 2839822 is 2289382.

It is a happy number.

2839822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2289382 = 2 ⋅1144691.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 709954 + ... + 709957.

It is an arithmetic number, because the mean of its divisors is an integer number (1064934).

2^2839822 is an apocalyptic number.

2839822 is a deficient number, since it is larger than the sum of its proper divisors (1419914).

2839822 is a wasteful number, since it uses less digits than its factorization.

2839822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419913.

The product of its digits is 13824, while the sum is 34.

The square root of 2839822 is about 1685.1771420239. The cubic root of 2839822 is about 141.6110163581.

The spelling of 2839822 in words is "two million, eight hundred thirty-nine thousand, eight hundred twenty-two".