2854643 has 8 divisors (see below), whose sum is σ = 3138240. Its totient is φ = 2575080.

The previous prime is 2854637. The next prime is 2854651. The reversal of 2854643 is 3464582.

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 2854643 - 2⁴ = 2854627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2854603) 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, 596 + ... + 2462.

It is an arithmetic number, because the mean of its divisors is an integer number (392280).

2^2854643 is an apocalyptic number.

2854643 is a deficient number, since it is larger than the sum of its proper divisors (283597).

2854643 is a wasteful number, since it uses less digits than its factorization.

2854643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017.

The product of its digits is 23040, while the sum is 32.

The square root of 2854643 is about 1689.5688799217. The cubic root of 2854643 is about 141.8569444701.

The spelling of 2854643 in words is "two million, eight hundred fifty-four thousand, six hundred forty-three".