2438779 has 12 divisors (see below), whose sum is σ = 2881008. Its totient is φ = 2058000.

The previous prime is 2438773. The next prime is 2438791. The reversal of 2438779 is 9778342.

It is not a de Polignac number, because 2438779 - 2¹³ = 2430587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2438773) 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 11 ways as a sum of consecutive naturals, for example, 3129 + ... + 3829.

It is an arithmetic number, because the mean of its divisors is an integer number (240084).

2^2438779 is an apocalyptic number.

2438779 is a deficient number, since it is larger than the sum of its proper divisors (442229).

2438779 is an equidigital number, since it uses as much as digits as its factorization.

2438779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 779 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 2438779 is about 1561.6590536990. The cubic root of 2438779 is about 134.6038500886.

The spelling of 2438779 in words is "two million, four hundred thirty-eight thousand, seven hundred seventy-nine".