2389549 has 4 divisors (see below), whose sum is σ = 2406880. Its totient is φ = 2372220.

The previous prime is 2389547. The next prime is 2389567. The reversal of 2389549 is 9459832.

It is a happy number.

2389549 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, 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 2389549 - 2¹ = 2389547 is a prime.

It is a Duffinian number.

2389549 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389547) 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, 8457 + ... + 8734.

It is an arithmetic number, because the mean of its divisors is an integer number (601720).

2^2389549 is an apocalyptic number.

It is an amenable number.

2389549 is a deficient number, since it is larger than the sum of its proper divisors (17331).

2389549 is a wasteful number, since it uses less digits than its factorization.

2389549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17330.

The product of its digits is 77760, while the sum is 40.

The square root of 2389549 is about 1545.8166126679. The cubic root of 2389549 is about 133.6919671375.

The spelling of 2389549 in words is "two million, three hundred eighty-nine thousand, five hundred forty-nine".