2812939 has 8 divisors (see below), whose sum is σ = 2993328. Its totient is φ = 2634240.

The previous prime is 2812937. The next prime is 2812961. The reversal of 2812939 is 9392182.

2812939 = T₁₈₂ + T₁₈₃ + ... + T₂₈₃.

2812939 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 a cyclic number.

It is not a de Polignac number, because 2812939 - 2¹ = 2812937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2812937) 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, 5484 + ... + 5974.

It is an arithmetic number, because the mean of its divisors is an integer number (374166).

2^2812939 is an apocalyptic number.

2812939 is a deficient number, since it is larger than the sum of its proper divisors (180389).

2812939 is a wasteful number, since it uses less digits than its factorization.

2812939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its digits is 7776, while the sum is 34.

The square root of 2812939 is about 1677.1818625301. The cubic root of 2812939 is about 141.1627482135.

The spelling of 2812939 in words is "two million, eight hundred twelve thousand, nine hundred thirty-nine".