2439447 has 8 divisors (see below), whose sum is σ = 3340656. Its totient is φ = 1582272.

The previous prime is 2439443. The next prime is 2439457. The reversal of 2439447 is 7449342.

2439447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2439447 - 2² = 2439443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2439443) 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 7 ways as a sum of consecutive naturals, for example, 10878 + ... + 11099.

It is an arithmetic number, because the mean of its divisors is an integer number (417582).

2^2439447 is an apocalyptic number.

2439447 is a deficient number, since it is larger than the sum of its proper divisors (901209).

2439447 is a wasteful number, since it uses less digits than its factorization.

2439447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22017.

The product of its digits is 24192, while the sum is 33.

The square root of 2439447 is about 1561.8729141643. The cubic root of 2439447 is about 134.6161386373.

It can be divided in two parts, 243944 and 7, that added together give a triangular number (243951 = T₆₉₈).

The spelling of 2439447 in words is "two million, four hundred thirty-nine thousand, four hundred forty-seven".