2589945 has 8 divisors (see below), whose sum is σ = 4143936. Its totient is φ = 1381296.

The previous prime is 2589931. The next prime is 2589971. The reversal of 2589945 is 5499852.

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

It is not a de Polignac number, because 2589945 - 2⁵ = 2589913 is a prime.

It is a Curzon number.

2589945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2589897 and 2589906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86317 + ... + 86346.

It is an arithmetic number, because the mean of its divisors is an integer number (517992).

2^2589945 is an apocalyptic number.

It is an amenable number.

2589945 is a deficient number, since it is larger than the sum of its proper divisors (1553991).

2589945 is a wasteful number, since it uses less digits than its factorization.

2589945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172671.

The product of its digits is 129600, while the sum is 42.

The square root of 2589945 is about 1609.3306061838. The cubic root of 2589945 is about 137.3293972280.

The spelling of 2589945 in words is "two million, five hundred eighty-nine thousand, nine hundred forty-five".