3251680 has 24 divisors (see below), whose sum is σ = 7682472. Its totient is φ = 1300608.

The previous prime is 3251663. The next prime is 3251681. The reversal of 3251680 is 861523.

It is a happy number.

3251680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3251681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10002 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (320103).

Almost surely, 2^3251680 is an apocalyptic number.

It is an amenable number.

3251680 is an abundant number, since it is smaller than the sum of its proper divisors (4430792).

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

3251680 is a wasteful number, since it uses less digits than its factorization.

3251680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20338 (or 20330 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 3251680 is about 1803.2415256975. The cubic root of 3251680 is about 148.1503220669.

The spelling of 3251680 in words is "three million, two hundred fifty-one thousand, six hundred eighty".