2431398844 has 12 divisors (see below), whose sum is σ = 4862797744. Its totient is φ = 1042028064.

The previous prime is 2431398841. The next prime is 2431398847. The reversal of 2431398844 is 4488931342.

It is a happy number.

2431398844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2431398841) and next prime (2431398847).

2431398844 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2431398794 and 2431398803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431398841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43417809 + ... + 43417864.

Almost surely, 2^2431398844 is an apocalyptic number.

It is an amenable number.

2431398844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2431398844 is a wasteful number, since it uses less digits than its factorization.

2431398844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86835684 (or 86835682 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 2431398844 is about 49309.2166232643. The cubic root of 2431398844 is about 1344.6793492197.

The spelling of 2431398844 in words is "two billion, four hundred thirty-one million, three hundred ninety-eight thousand, eight hundred forty-four".