2431044 has 72 divisors (see below), whose sum is σ = 7670208. Its totient is φ = 630720.

The previous prime is 2431007. The next prime is 2431049. The reversal of 2431044 is 4401342.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2334 + ... + 3210.

2^2431044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2431044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3835104).

2431044 is an abundant number, since it is smaller than the sum of its proper divisors (5239164).

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

2431044 is a wasteful number, since it uses less digits than its factorization.

2431044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2431044 is about 1559.1805540091. The cubic root of 2431044 is about 134.4613930827.

Adding to 2431044 its reverse (4401342), we get a palindrome (6832386).

The spelling of 2431044 in words is "two million, four hundred thirty-one thousand, forty-four".