3244928 has 32 divisors (see below), whose sum is σ = 6554520. Its totient is φ = 1600000.

The previous prime is 3244921. The next prime is 3244931. The reversal of 3244928 is 8294423.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3244894 and 3244903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3244921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12803 + ... + 13053.

Almost surely, 2^3244928 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 3244928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3277260).

3244928 is an abundant number, since it is smaller than the sum of its proper divisors (3309592).

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

3244928 is a wasteful number, since it uses less digits than its factorization.

3244928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 354 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 3244928 is about 1801.3683687686. The cubic root of 3244928 is about 148.0477080187.

The spelling of 3244928 in words is "three million, two hundred forty-four thousand, nine hundred twenty-eight".