2293861 has 8 divisors (see below), whose sum is σ = 2471040. Its totient is φ = 2121408.

The previous prime is 2293849. The next prime is 2293867. The reversal of 2293861 is 1683922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2293861 - 2⁵ = 2293829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2293867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (308880).

2^2293861 is an apocalyptic number.

It is an amenable number.

2293861 is a deficient number, since it is larger than the sum of its proper divisors (177179).

2293861 is a wasteful number, since it uses less digits than its factorization.

2293861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363.

The product of its digits is 5184, while the sum is 31.

The square root of 2293861 is about 1514.5497680829. The cubic root of 2293861 is about 131.8830652510.

The spelling of 2293861 in words is "two million, two hundred ninety-three thousand, eight hundred sixty-one".