2489587 has 4 divisors (see below), whose sum is σ = 2496256. Its totient is φ = 2482920.

The previous prime is 2489573. The next prime is 2489603. The reversal of 2489587 is 7859842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2489587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2489567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739 + ... + 3532.

It is an arithmetic number, because the mean of its divisors is an integer number (624064).

2^2489587 is an apocalyptic number.

2489587 is a deficient number, since it is larger than the sum of its proper divisors (6669).

2489587 is an equidigital number, since it uses as much as digits as its factorization.

2489587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668.

The product of its digits is 161280, while the sum is 43.

The square root of 2489587 is about 1577.8425143214. The cubic root of 2489587 is about 135.5321837287.

The spelling of 2489587 in words is "two million, four hundred eighty-nine thousand, five hundred eighty-seven".