2855584 has 12 divisors (see below), whose sum is σ = 5621994. Its totient is φ = 1427776.

The previous prime is 2855581. The next prime is 2855591. The reversal of 2855584 is 4855582.

It can be written as a sum of positive squares in only one way, i.e., 2471184 + 384400 = 1572^2 + 620^2 .

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (2855581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44587 + ... + 44650.

2^2855584 is an apocalyptic number.

It is an amenable number.

2855584 is a deficient number, since it is larger than the sum of its proper divisors (2766410).

2855584 is an equidigital number, since it uses as much as digits as its factorization.

2855584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89247 (or 89239 counting only the distinct ones).

The product of its digits is 64000, while the sum is 37.

The square root of 2855584 is about 1689.8473303822. The cubic root of 2855584 is about 141.8725299239.

The spelling of 2855584 in words is "two million, eight hundred fifty-five thousand, five hundred eighty-four".