3266720 has 48 divisors (see below), whose sum is σ = 8178408. Its totient is φ = 1228800.

The previous prime is 3266707. The next prime is 3266741. The reversal of 3266720 is 276623.

It can be written as a sum of positive squares in 4 ways, for example, as 1948816 + 1317904 = 1396^2 + 1148^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3266720.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2120 + ... + 3320.

Almost surely, 2^3266720 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 3266720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4089204).

3266720 is an abundant number, since it is smaller than the sum of its proper divisors (4911688).

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

3266720 is a wasteful number, since it uses less digits than its factorization.

3266720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 3266720 is about 1807.4069823922. The cubic root of 3266720 is about 148.3783841054.

The spelling of 3266720 in words is "three million, two hundred sixty-six thousand, seven hundred twenty".