3090091 has 4 divisors (see below), whose sum is σ = 3093912. Its totient is φ = 3086272.

The previous prime is 3090089. The next prime is 3090097. The reversal of 3090091 is 1900903.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3090091 - 2¹ = 3090089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3090097) 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, 166 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (773478).

It is a Poulet number, since it divides 2^3090090-1.

Almost surely, 2^3090091 is an apocalyptic number.

3090091 is a deficient number, since it is larger than the sum of its proper divisors (3821).

3090091 is a wasteful number, since it uses less digits than its factorization.

3090091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 3090091 is about 1757.8654669798. The cubic root of 3090091 is about 145.6544495814.

Adding to 3090091 its reverse (1900903), we get a palindrome (4990994).

The spelling of 3090091 in words is "three million, ninety thousand, ninety-one".