2850389 has 2 divisors, whose sum is σ = 2850390. Its totient is φ = 2850388.

The previous prime is 2850383. The next prime is 2850401. The reversal of 2850389 is 9830582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2640625 + 209764 = 1625^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 2850389 - 2¹⁶ = 2784853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2850383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425194 + 1425195.

It is an arithmetic number, because the mean of its divisors is an integer number (1425195).

2^2850389 is an apocalyptic number.

It is an amenable number.

2850389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2850389 is an equidigital number, since it uses as much as digits as its factorization.

2850389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2850389 is about 1688.3095095391. The cubic root of 2850389 is about 141.7864441835.

The spelling of 2850389 in words is "two million, eight hundred fifty thousand, three hundred eighty-nine".