2987564 has 6 divisors (see below), whose sum is σ = 5228244. Its totient is φ = 1493780.

The previous prime is 2987561. The next prime is 2987573. The reversal of 2987564 is 4657892.

2987564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2987561) 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 as a sum of consecutive naturals, namely, 373442 + ... + 373449.

It is an arithmetic number, because the mean of its divisors is an integer number (871374).

2^2987564 is an apocalyptic number.

It is an amenable number.

2987564 is a deficient number, since it is larger than the sum of its proper divisors (2240680).

2987564 is a wasteful number, since it uses less digits than its factorization.

2987564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746895 (or 746893 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 2987564 is about 1728.4571154645. The cubic root of 2987564 is about 144.0253941841.

The spelling of 2987564 in words is "two million, nine hundred eighty-seven thousand, five hundred sixty-four".