3227840 has 112 divisors (see below), whose sum is σ = 9656064. Its totient is φ = 998400.

The previous prime is 3227839. The next prime is 3227849. The reversal of 3227840 is 487223.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (3227849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24575 + ... + 24705.

Almost surely, 2^3227840 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 3227840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4828032).

3227840 is an abundant number, since it is smaller than the sum of its proper divisors (6428224).

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

3227840 is a wasteful number, since it uses less digits than its factorization.

3227840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3227840 is about 1796.6190469880. The cubic root of 3227840 is about 147.7873742467.

It can be divided in two parts, 32 and 27840, that added together give a palindrome (27872).

The spelling of 3227840 in words is "three million, two hundred twenty-seven thousand, eight hundred forty".