3085639 has 2 divisors, whose sum is σ = 3085640. Its totient is φ = 3085638.

The previous prime is 3085633. The next prime is 3085673. The reversal of 3085639 is 9365803.

It is an a-pointer prime, because the next prime (3085673) can be obtained adding 3085639 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3085639 - 2³ = 3085631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3085631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1542819 + 1542820.

It is an arithmetic number, because the mean of its divisors is an integer number (1542820).

Almost surely, 2^3085639 is an apocalyptic number.

3085639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3085639 is an equidigital number, since it uses as much as digits as its factorization.

3085639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3085639 is about 1756.5987020375. The cubic root of 3085639 is about 145.5844661758.

The spelling of 3085639 in words is "three million, eighty-five thousand, six hundred thirty-nine".