2589998 has 4 divisors (see below), whose sum is σ = 3885000. Its totient is φ = 1294998.

The previous prime is 2589991. The next prime is 2590013. The reversal of 2589998 is 8999852.

2589998 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 a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589991) 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, 647498 + ... + 647501.

It is an arithmetic number, because the mean of its divisors is an integer number (971250).

2^2589998 is an apocalyptic number.

2589998 is a deficient number, since it is larger than the sum of its proper divisors (1295002).

2589998 is a wasteful number, since it uses less digits than its factorization.

2589998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295001.

The product of its digits is 466560, while the sum is 50.

The square root of 2589998 is about 1609.3470725732. The cubic root of 2589998 is about 137.3303339800.

The spelling of 2589998 in words is "two million, five hundred eighty-nine thousand, nine hundred ninety-eight".