2431939 has 4 divisors (see below), whose sum is σ = 2441880. Its totient is φ = 2422000.

The previous prime is 2431937. The next prime is 2431967. The reversal of 2431939 is 9391342.

2431939 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 2431939 - 2¹ = 2431937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2431939.

It is not an unprimeable number, because it can be changed into a prime (2431937) 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, 4594 + ... + 5095.

It is an arithmetic number, because the mean of its divisors is an integer number (610470).

2^2431939 is an apocalyptic number.

2431939 is a deficient number, since it is larger than the sum of its proper divisors (9941).

2431939 is an equidigital number, since it uses as much as digits as its factorization.

2431939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9940.

The product of its digits is 5832, while the sum is 31.

The square root of 2431939 is about 1559.4675373345. The cubic root of 2431939 is about 134.4778919177.

The spelling of 2431939 in words is "two million, four hundred thirty-one thousand, nine hundred thirty-nine".