3225780 has 36 divisors (see below), whose sum is σ = 9785412. Its totient is φ = 860160.

The previous prime is 3225779. The next prime is 3225787. The reversal of 3225780 is 875223.

It can be written as a sum of positive squares in 2 ways, for example, as 443556 + 2782224 = 666^2 + 1668^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8781 + ... + 9140.

It is an arithmetic number, because the mean of its divisors is an integer number (271817).

Almost surely, 2^3225780 is an apocalyptic number.

3225780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3225780 is an abundant number, since it is smaller than the sum of its proper divisors (6559632).

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

3225780 is a wasteful number, since it uses less digits than its factorization.

3225780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17936 (or 17931 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3225780 is about 1796.0456564353. The cubic root of 3225780 is about 147.7559283698.

It can be divided in two parts, 3225 and 780, that added together give a triangular number (4005 = T₈₉).

The spelling of 3225780 in words is "three million, two hundred twenty-five thousand, seven hundred eighty".