2449779 has 4 divisors (see below), whose sum is σ = 3266376. Its totient is φ = 1633184.

The previous prime is 2449757. The next prime is 2449787. The reversal of 2449779 is 9779442.

2449779 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 cyclic number.

It is not a de Polignac number, because 2449779 - 2²⁰ = 1401203 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 2449779.

It is not an unprimeable number, because it can be changed into a prime (2449729) 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, 408294 + ... + 408299.

It is an arithmetic number, because the mean of its divisors is an integer number (816594).

2^2449779 is an apocalyptic number.

2449779 is a deficient number, since it is larger than the sum of its proper divisors (816597).

2449779 is an equidigital number, since it uses as much as digits as its factorization.

2449779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816596.

The product of its digits is 127008, while the sum is 42.

The square root of 2449779 is about 1565.1769867973. The cubic root of 2449779 is about 134.8059213969.

The spelling of 2449779 in words is "two million, four hundred forty-nine thousand, seven hundred seventy-nine".