5781244 has 24 divisors (see below), whose sum is σ = 12172160. Its totient is φ = 2347056.

The previous prime is 5781239. The next prime is 5781247. The reversal of 5781244 is 4421875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5781247) 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 7 ways as a sum of consecutive naturals, for example, 4902 + ... + 5965.

Almost surely, 2^5781244 is an apocalyptic number.

It is an amenable number.

5781244 is an abundant number, since it is smaller than the sum of its proper divisors (6390916).

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

5781244 is a wasteful number, since it uses less digits than its factorization.

5781244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897 (or 10895 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 5781244 is about 2404.4217600080. The cubic root of 5781244 is about 179.4762967126.

The spelling of 5781244 in words is "five million, seven hundred eighty-one thousand, two hundred forty-four".