2839394 has 4 divisors (see below), whose sum is σ = 4259094. Its totient is φ = 1419696.

The previous prime is 2839381. The next prime is 2839399. The reversal of 2839394 is 4939382.

2839394 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.

It can be written as a sum of positive squares in only one way, i.e., 2839225 + 169 = 1685^2 + 13^2 .

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2839399) 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 as a sum of consecutive naturals, namely, 709847 + ... + 709850.

2^2839394 is an apocalyptic number.

2839394 is a deficient number, since it is larger than the sum of its proper divisors (1419700).

2839394 is a wasteful number, since it uses less digits than its factorization.

2839394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419699.

The product of its digits is 46656, while the sum is 38.

The square root of 2839394 is about 1685.0501476217. The cubic root of 2839394 is about 141.6039017619.

The spelling of 2839394 in words is "two million, eight hundred thirty-nine thousand, three hundred ninety-four".