2891339 has 16 divisors (see below), whose sum is σ = 3333120. Its totient is φ = 2484000.

The previous prime is 2891323. The next prime is 2891341. The reversal of 2891339 is 9331982.

2891339 = T₄₀₂ + T₄₀₃ + ... + T₄₃₄.

2891339 = 187² + 188² + ... + 247².

2891339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2891339 - 2⁴ = 2891323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2891299 and 2891308.

It is not an unprimeable number, because it can be changed into a prime (2891359) 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 15 ways as a sum of consecutive naturals, for example, 20732 + ... + 20870.

It is an arithmetic number, because the mean of its divisors is an integer number (208320).

2^2891339 is an apocalyptic number.

2891339 is a deficient number, since it is larger than the sum of its proper divisors (441781).

2891339 is a wasteful number, since it uses less digits than its factorization.

2891339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its digits is 11664, while the sum is 35.

The square root of 2891339 is about 1700.3937779232. The cubic root of 2891339 is about 142.4622080966.

The spelling of 2891339 in words is "two million, eight hundred ninety-one thousand, three hundred thirty-nine".