2389564 has 6 divisors (see below), whose sum is σ = 4181744. Its totient is φ = 1194780.

The previous prime is 2389547. The next prime is 2389567. The reversal of 2389564 is 4659832.

2389564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2389564³ = 40933346808316314432, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389567) 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, 298692 + ... + 298699.

2^2389564 is an apocalyptic number.

It is an amenable number.

2389564 is a deficient number, since it is larger than the sum of its proper divisors (1792180).

2389564 is a wasteful number, since it uses less digits than its factorization.

2389564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597395 (or 597393 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 2389564 is about 1545.8214644648. The cubic root of 2389564 is about 133.6922468800.

The spelling of 2389564 in words is "two million, three hundred eighty-nine thousand, five hundred sixty-four".