2859243 has 4 divisors (see below), whose sum is σ = 3812328. Its totient is φ = 1906160.

The previous prime is 2859229. The next prime is 2859251. The reversal of 2859243 is 3429582.

It is a happy number.

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 2859243 - 2⁵ = 2859211 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2859343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476538 + ... + 476543.

It is an arithmetic number, because the mean of its divisors is an integer number (953082).

2^2859243 is an apocalyptic number.

2859243 is a deficient number, since it is larger than the sum of its proper divisors (953085).

2859243 is an equidigital number, since it uses as much as digits as its factorization.

2859243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953084.

The product of its digits is 17280, while the sum is 33.

The square root of 2859243 is about 1690.9296259750. The cubic root of 2859243 is about 141.9331001405.

The spelling of 2859243 in words is "two million, eight hundred fifty-nine thousand, two hundred forty-three".