2884393 has 4 divisors (see below), whose sum is σ = 2891988. Its totient is φ = 2876800.

The previous prime is 2884381. The next prime is 2884403. The reversal of 2884393 is 3934882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 1225449 = 1288^2 + 1107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2884393 is a prime.

It is an Ulam number.

It is a Duffinian number.

2884393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2884093) 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, 3196 + ... + 3997.

It is an arithmetic number, because the mean of its divisors is an integer number (722997).

2^2884393 is an apocalyptic number.

It is an amenable number.

2884393 is a deficient number, since it is larger than the sum of its proper divisors (7595).

2884393 is an equidigital number, since it uses as much as digits as its factorization.

2884393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594.

The product of its digits is 41472, while the sum is 37.

The square root of 2884393 is about 1698.3500816969. The cubic root of 2884393 is about 142.3480353938.

The spelling of 2884393 in words is "two million, eight hundred eighty-four thousand, three hundred ninety-three".