2885664 has 24 divisors (see below), whose sum is σ = 7575120. Its totient is φ = 961856.

The previous prime is 2885639. The next prime is 2885669. The reversal of 2885664 is 4665882.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2885669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14934 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (315630).

2^2885664 is an apocalyptic number.

2885664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2885664 is an abundant number, since it is smaller than the sum of its proper divisors (4689456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2885664 is a wasteful number, since it uses less digits than its factorization.

2885664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30072 (or 30064 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 2885664 is about 1698.7242271776. The cubic root of 2885664 is about 142.3689407495.

It can be divided in two parts, 28856 and 64, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 2885664 in words is "two million, eight hundred eighty-five thousand, six hundred sixty-four".