2598987 has 4 divisors (see below), whose sum is σ = 3465320. Its totient is φ = 1732656.

The previous prime is 2598983. The next prime is 2598989. The reversal of 2598987 is 7898952.

It is a happy number.

2598987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2598987 - 2² = 2598983 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2598983) 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 in 3 ways as a sum of consecutive naturals, for example, 433162 + ... + 433167.

It is an arithmetic number, because the mean of its divisors is an integer number (866330).

2^2598987 is an apocalyptic number.

2598987 is a deficient number, since it is larger than the sum of its proper divisors (866333).

2598987 is an equidigital number, since it uses as much as digits as its factorization.

2598987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866332.

The product of its digits is 362880, while the sum is 48.

The square root of 2598987 is about 1612.1374010921. The cubic root of 2598987 is about 137.4890261214.

The spelling of 2598987 in words is "two million, five hundred ninety-eight thousand, nine hundred eighty-seven".