2409939 has 32 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 1339200.

The previous prime is 2409907. The next prime is 2409947. The reversal of 2409939 is 9399042.

2409939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2409939 - 2⁵ = 2409907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2409839) 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 31 ways as a sum of consecutive naturals, for example, 7594 + ... + 7904.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

2^2409939 is an apocalyptic number.

2409939 is a deficient number, since it is larger than the sum of its proper divisors (1783341).

2409939 is a wasteful number, since it uses less digits than its factorization.

2409939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2409939 is about 1552.3978227246. The cubic root of 2409939 is about 134.0711547545.

The spelling of 2409939 in words is "two million, four hundred nine thousand, nine hundred thirty-nine".