2538989 has 4 divisors (see below), whose sum is σ = 2672640. Its totient is φ = 2405340.

The previous prime is 2538983. The next prime is 2539049. The reversal of 2538989 is 9898352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2538989 - 2⁸ = 2538733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538983) 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, 66797 + ... + 66834.

It is an arithmetic number, because the mean of its divisors is an integer number (668160).

2^2538989 is an apocalyptic number.

It is an amenable number.

2538989 is a deficient number, since it is larger than the sum of its proper divisors (133651).

2538989 is a wasteful number, since it uses less digits than its factorization.

2538989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133650.

The product of its digits is 155520, while the sum is 44.

The square root of 2538989 is about 1593.4205345733. The cubic root of 2538989 is about 136.4227939822.

The spelling of 2538989 in words is "two million, five hundred thirty-eight thousand, nine hundred eighty-nine".