2439566 has 4 divisors (see below), whose sum is σ = 3659352. Its totient is φ = 1219782.

The previous prime is 2439553. The next prime is 2439571. The reversal of 2439566 is 6659342.

2439566 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 congruent number.

It is an unprimeable number.

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, 609890 + ... + 609893.

It is an arithmetic number, because the mean of its divisors is an integer number (914838).

2^2439566 is an apocalyptic number.

2439566 is a deficient number, since it is larger than the sum of its proper divisors (1219786).

2439566 is a wasteful number, since it uses less digits than its factorization.

2439566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219785.

The product of its digits is 38880, while the sum is 35.

The square root of 2439566 is about 1561.9110089887. The cubic root of 2439566 is about 134.6183275296.

The spelling of 2439566 in words is "two million, four hundred thirty-nine thousand, five hundred sixty-six".