2489443 has 4 divisors (see below), whose sum is σ = 2715768. Its totient is φ = 2263120.

The previous prime is 2489441. The next prime is 2489453. The reversal of 2489443 is 3449842.

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

It is a cyclic number.

It is not a de Polignac number, because 2489443 - 2¹ = 2489441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2489399 and 2489408.

It is not an unprimeable number, because it can be changed into a prime (2489441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113146 + ... + 113167.

It is an arithmetic number, because the mean of its divisors is an integer number (678942).

2^2489443 is an apocalyptic number.

2489443 is a deficient number, since it is larger than the sum of its proper divisors (226325).

2489443 is a wasteful number, since it uses less digits than its factorization.

2489443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226324.

The product of its digits is 27648, while the sum is 34.

The square root of 2489443 is about 1577.7968817310. The cubic root of 2489443 is about 135.5295705763.

The spelling of 2489443 in words is "two million, four hundred eighty-nine thousand, four hundred forty-three".