3141440 has 28 divisors (see below), whose sum is σ = 7481316. Its totient is φ = 1256448.

The previous prime is 3141431. The next prime is 3141443. The reversal of 3141440 is 441413.

It can be written as a sum of positive squares in 2 ways, for example, as 2408704 + 732736 = 1552^2 + 856^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3141443) 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, 4589 + ... + 5228.

Almost surely, 2^3141440 is an apocalyptic number.

It is an amenable number.

3141440 is an abundant number, since it is smaller than the sum of its proper divisors (4339876).

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

3141440 is an equidigital number, since it uses as much as digits as its factorization.

3141440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9834 (or 9824 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3141440 is about 1772.4107875998. The cubic root of 3141440 is about 146.4568165111.

Adding to 3141440 its reverse (441413), we get a palindrome (3582853).

The spelling of 3141440 in words is "three million, one hundred forty-one thousand, four hundred forty".