3240944 has 40 divisors (see below), whose sum is σ = 7559040. Its totient is φ = 1315008.

The previous prime is 3240943. The next prime is 3240947. The reversal of 3240944 is 4490423.

It is a super-2 number, since 2×3240944² = 21007436022272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240943) 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, 1367 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (188976).

Almost surely, 2^3240944 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 3240944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3779520).

3240944 is an abundant number, since it is smaller than the sum of its proper divisors (4318096).

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

3240944 is a wasteful number, since it uses less digits than its factorization.

3240944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3240944 is about 1800.2622031249. The cubic root of 3240944 is about 147.9870940779.

The spelling of 3240944 in words is "three million, two hundred forty thousand, nine hundred forty-four".