3085989 has 4 divisors (see below), whose sum is σ = 4114656. Its totient is φ = 2057324.

The previous prime is 3085969. The next prime is 3086003. The reversal of 3085989 is 9895803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3085989 - 2⁹ = 3085477 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3085989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3085949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514329 + ... + 514334.

It is an arithmetic number, because the mean of its divisors is an integer number (1028664).

Almost surely, 2^3085989 is an apocalyptic number.

It is an amenable number.

3085989 is a deficient number, since it is larger than the sum of its proper divisors (1028667).

3085989 is a wasteful number, since it uses less digits than its factorization.

3085989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028666.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 3085989 is about 1756.6983235604. The cubic root of 3085989 is about 145.5899704529.

The spelling of 3085989 in words is "three million, eighty-five thousand, nine hundred eighty-nine".