2843245 has 8 divisors (see below), whose sum is σ = 3437280. Its totient is φ = 2257680.

The previous prime is 2843221. The next prime is 2843249. The reversal of 2843245 is 5423482.

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

It is not a de Polignac number, because 2843245 - 2⁵ = 2843213 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2843249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351 + ... + 2740.

It is an arithmetic number, because the mean of its divisors is an integer number (429660).

2^2843245 is an apocalyptic number.

It is an amenable number.

2843245 is a deficient number, since it is larger than the sum of its proper divisors (594035).

2843245 is a wasteful number, since it uses less digits than its factorization.

2843245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235.

The product of its digits is 7680, while the sum is 28.

The square root of 2843245 is about 1686.1924563940. The cubic root of 2843245 is about 141.6678908006.

The spelling of 2843245 in words is "two million, eight hundred forty-three thousand, two hundred forty-five".