3109087 has 4 divisors (see below), whose sum is σ = 3133696. Its totient is φ = 3084480.

The previous prime is 3109081. The next prime is 3109091. The reversal of 3109087 is 7809013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7809013 = 739 ⋅10567.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3109087 is a prime.

It is a Duffinian number.

3109087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3109081) 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, 12114 + ... + 12367.

It is an arithmetic number, because the mean of its divisors is an integer number (783424).

Almost surely, 2^3109087 is an apocalyptic number.

3109087 is a deficient number, since it is larger than the sum of its proper divisors (24609).

3109087 is a wasteful number, since it uses less digits than its factorization.

3109087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24608.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 3109087 is about 1763.2603324524. The cubic root of 3109087 is about 145.9523050563.

The spelling of 3109087 in words is "three million, one hundred nine thousand, eighty-seven".