3039861 has 16 divisors (see below), whose sum is σ = 4451328. Its totient is φ = 1830000.

The previous prime is 3039859. The next prime is 3039917. The reversal of 3039861 is 1689303.

It is not a de Polignac number, because 3039861 - 2¹ = 3039859 is a prime.

3039861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3039811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8100 + ... + 8466.

It is an arithmetic number, because the mean of its divisors is an integer number (278208).

Almost surely, 2^3039861 is an apocalyptic number.

It is an amenable number.

3039861 is a deficient number, since it is larger than the sum of its proper divisors (1411467).

3039861 is a wasteful number, since it uses less digits than its factorization.

3039861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3039861 is about 1743.5197159769. The cubic root of 3039861 is about 144.8609209432.

The spelling of 3039861 in words is "three million, thirty-nine thousand, eight hundred sixty-one".