2293091 has 4 divisors (see below), whose sum is σ = 2413800. Its totient is φ = 2172384.

The previous prime is 2293069. The next prime is 2293103. The reversal of 2293091 is 1903922.

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

It is not a de Polignac number, because 2293091 - 2¹⁴ = 2276707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2293091.

It is not an unprimeable number, because it can be changed into a prime (2293391) 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, 60326 + ... + 60363.

It is an arithmetic number, because the mean of its divisors is an integer number (603450).

2^2293091 is an apocalyptic number.

2293091 is a deficient number, since it is larger than the sum of its proper divisors (120709).

2293091 is a wasteful number, since it uses less digits than its factorization.

2293091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120708.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2293091 is about 1514.2955457902. The cubic root of 2293091 is about 131.8683068262.

The spelling of 2293091 in words is "two million, two hundred ninety-three thousand, ninety-one".