2854721 has 4 divisors (see below), whose sum is σ = 2860032. Its totient is φ = 2849412.

The previous prime is 2854717. The next prime is 2854723. The reversal of 2854721 is 1274582.

2854721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 1274582 = 2 ⋅637291.

It is a cyclic number.

It is not a de Polignac number, because 2854721 - 2² = 2854717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2854723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745 + ... + 2958.

It is an arithmetic number, because the mean of its divisors is an integer number (715008).

2^2854721 is an apocalyptic number.

It is an amenable number.

2854721 is a deficient number, since it is larger than the sum of its proper divisors (5311).

2854721 is an equidigital number, since it uses as much as digits as its factorization.

2854721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310.

The product of its digits is 4480, while the sum is 29.

The square root of 2854721 is about 1689.5919625756. The cubic root of 2854721 is about 141.8582364870.

The spelling of 2854721 in words is "two million, eight hundred fifty-four thousand, seven hundred twenty-one".