2847561 has 8 divisors (see below), whose sum is σ = 3961920. Its totient is φ = 1815792.

The previous prime is 2847529. The next prime is 2847563. The reversal of 2847561 is 1657482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2847561 - 2⁵ = 2847529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2847563) 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, 20566 + ... + 20703.

It is an arithmetic number, because the mean of its divisors is an integer number (495240).

2^2847561 is an apocalyptic number.

It is an amenable number.

2847561 is a deficient number, since it is larger than the sum of its proper divisors (1114359).

2847561 is a wasteful number, since it uses less digits than its factorization.

2847561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41295.

The product of its digits is 13440, while the sum is 33.

The square root of 2847561 is about 1687.4717775418. The cubic root of 2847561 is about 141.7395377501.

The spelling of 2847561 in words is "two million, eight hundred forty-seven thousand, five hundred sixty-one".