2884421 has 4 divisors (see below), whose sum is σ = 2887872. Its totient is φ = 2880972.

The previous prime is 2884411. The next prime is 2884433. The reversal of 2884421 is 1244882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2884421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2884411) 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, 410 + ... + 2436.

It is an arithmetic number, because the mean of its divisors is an integer number (721968).

2^2884421 is an apocalyptic number.

It is an amenable number.

2884421 is a deficient number, since it is larger than the sum of its proper divisors (3451).

2884421 is a wasteful number, since it uses less digits than its factorization.

2884421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450.

The product of its digits is 4096, while the sum is 29.

The square root of 2884421 is about 1698.3583249715. The cubic root of 2884421 is about 142.3484960028.

The spelling of 2884421 in words is "two million, eight hundred eighty-four thousand, four hundred twenty-one".