2884521 has 4 divisors (see below), whose sum is σ = 3846032. Its totient is φ = 1923012.

The previous prime is 2884513. The next prime is 2884537. The reversal of 2884521 is 1254882.

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.

It is not a de Polignac number, because 2884521 - 2³ = 2884513 is a prime.

It is a super-2 number, since 2×2884521² = 16640922798882, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2884571) 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, 480751 + ... + 480756.

It is an arithmetic number, because the mean of its divisors is an integer number (961508).

2^2884521 is an apocalyptic number.

It is an amenable number.

2884521 is a deficient number, since it is larger than the sum of its proper divisors (961511).

2884521 is an equidigital number, since it uses as much as digits as its factorization.

2884521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961510.

The product of its digits is 5120, while the sum is 30.

The square root of 2884521 is about 1698.3877649112. The cubic root of 2884521 is about 142.3501410106.

The spelling of 2884521 in words is "two million, eight hundred eighty-four thousand, five hundred twenty-one".