3149744 has 40 divisors (see below), whose sum is σ = 6926640. Its totient is φ = 1375488.

The previous prime is 3149683. The next prime is 3149747. The reversal of 3149744 is 4479413.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3149744.

It is not an unprimeable number, because it can be changed into a prime (3149747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3554 + ... + 4350.

It is an arithmetic number, because the mean of its divisors is an integer number (173166).

Almost surely, 2^3149744 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 3149744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3463320).

3149744 is an abundant number, since it is smaller than the sum of its proper divisors (3776896).

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

3149744 is a wasteful number, since it uses less digits than its factorization.

3149744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837 (or 831 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 3149744 is about 1774.7518136348. The cubic root of 3149744 is about 146.5857496725.

The spelling of 3149744 in words is "three million, one hundred forty-nine thousand, seven hundred forty-four".