2290843 has 2 divisors, whose sum is σ = 2290844. Its totient is φ = 2290842.

The previous prime is 2290831. The next prime is 2290861. The reversal of 2290843 is 3480922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2290843 - 2¹⁷ = 2159771 is a prime.

2290843 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2290243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145421 + 1145422.

It is an arithmetic number, because the mean of its divisors is an integer number (1145422).

2^2290843 is an apocalyptic number.

2290843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290843 is an equidigital number, since it uses as much as digits as its factorization.

2290843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2290843 is about 1513.5531044532. The cubic root of 2290843 is about 131.8252009810.

The spelling of 2290843 in words is "two million, two hundred ninety thousand, eight hundred forty-three".