3431744 has 42 divisors (see below), whose sum is σ = 7212330. Its totient is φ = 1618176.

The previous prime is 3431719. The next prime is 3431749. The reversal of 3431744 is 4471343.

It can be written as a sum of positive squares in only one way, i.e., 2958400 + 473344 = 1720^2 + 688^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79787 + ... + 79829.

Almost surely, 2^3431744 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 3431744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3606165).

3431744 is an abundant number, since it is smaller than the sum of its proper divisors (3780586).

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

3431744 is an equidigital number, since it uses as much as digits as its factorization.

3431744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 74 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 3431744 is about 1852.4966936543. The cubic root of 3431744 is about 150.8359840673.

The spelling of 3431744 in words is "three million, four hundred thirty-one thousand, seven hundred forty-four".