2431994 has 8 divisors (see below), whose sum is σ = 3732960. Its totient is φ = 1187676.

The previous prime is 2431987. The next prime is 2431999. The reversal of 2431994 is 4991342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2431994.

It is not an unprimeable number, because it can be changed into a prime (2431999) 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 3 ways as a sum of consecutive naturals, for example, 14054 + ... + 14225.

It is an arithmetic number, because the mean of its divisors is an integer number (466620).

2^2431994 is an apocalyptic number.

2431994 is a deficient number, since it is larger than the sum of its proper divisors (1300966).

2431994 is a wasteful number, since it uses less digits than its factorization.

2431994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28324.

The product of its digits is 7776, while the sum is 32.

The square root of 2431994 is about 1559.4851714588. The cubic root of 2431994 is about 134.4789056806.

The spelling of 2431994 in words is "two million, four hundred thirty-one thousand, nine hundred ninety-four".