3013891 has 4 divisors (see below), whose sum is σ = 3018384. Its totient is φ = 3009400.

The previous prime is 3013889. The next prime is 3013919. The reversal of 3013891 is 1983103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3013891 - 2¹ = 3013889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3013841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015 + ... + 2656.

It is an arithmetic number, because the mean of its divisors is an integer number (754596).

Almost surely, 2^3013891 is an apocalyptic number.

3013891 is a deficient number, since it is larger than the sum of its proper divisors (4493).

3013891 is an equidigital number, since it uses as much as digits as its factorization.

3013891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 3013891 is about 1736.0561626860. The cubic root of 3013891 is about 144.4472175448.

Adding to 3013891 its reverse (1983103), we get a palindrome (4996994).

The spelling of 3013891 in words is "three million, thirteen thousand, eight hundred ninety-one".