2589645 has 8 divisors (see below), whose sum is σ = 4143456. Its totient is φ = 1381136.

The previous prime is 2589641. The next prime is 2589649. The reversal of 2589645 is 5469852.

It is an interprime number because it is at equal distance from previous prime (2589641) and next prime (2589649).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2589645 - 2² = 2589641 is a prime.

It is a super-3 number, since 3×2589645³ = 52100507558008533375, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86307 + ... + 86336.

It is an arithmetic number, because the mean of its divisors is an integer number (517932).

2^2589645 is an apocalyptic number.

It is an amenable number.

2589645 is a deficient number, since it is larger than the sum of its proper divisors (1553811).

2589645 is a wasteful number, since it uses less digits than its factorization.

2589645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172651.

The product of its digits is 86400, while the sum is 39.

The square root of 2589645 is about 1609.2373970300. The cubic root of 2589645 is about 137.3240946173.

The spelling of 2589645 in words is "two million, five hundred eighty-nine thousand, six hundred forty-five".