2890439 has 2 divisors, whose sum is σ = 2890440. Its totient is φ = 2890438.

The previous prime is 2890429. The next prime is 2890441. The reversal of 2890439 is 9340982.

2890439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2890439 - 2⁴ = 2890423 is a prime.

It is a super-2 number, since 2×2890439² = 16709275225442, which contains 22 as substring.

Together with 2890441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2890399 and 2890408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2890429) 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, 1445219 + 1445220.

It is an arithmetic number, because the mean of its divisors is an integer number (1445220).

2^2890439 is an apocalyptic number.

2890439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890439 is an equidigital number, since it uses as much as digits as its factorization.

2890439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2890439 is about 1700.1291127441. The cubic root of 2890439 is about 142.4474249468.

The spelling of 2890439 in words is "two million, eight hundred ninety thousand, four hundred thirty-nine".