2866541 has 4 divisors (see below), whose sum is σ = 2874300. Its totient is φ = 2858784.

The previous prime is 2866537. The next prime is 2866543. The reversal of 2866541 is 1456682.

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 1755625 + 1110916 = 1325^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 2866541 - 2² = 2866537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2866498 and 2866507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2866543) 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, 3296 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (718575).

2^2866541 is an apocalyptic number.

It is an amenable number.

2866541 is a deficient number, since it is larger than the sum of its proper divisors (7759).

2866541 is an equidigital number, since it uses as much as digits as its factorization.

2866541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7758.

The product of its digits is 11520, while the sum is 32.

The square root of 2866541 is about 1693.0862352521. The cubic root of 2866541 is about 142.0537553537.

The spelling of 2866541 in words is "two million, eight hundred sixty-six thousand, five hundred forty-one".