3286720 has 28 divisors (see below), whose sum is σ = 7827264. Its totient is φ = 1314560.

The previous prime is 3286697. The next prime is 3286721. The reversal of 3286720 is 276823.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3286721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4816 + ... + 5455.

Almost surely, 2^3286720 is an apocalyptic number.

It is an amenable number.

3286720 is an abundant number, since it is smaller than the sum of its proper divisors (4540544).

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

3286720 is a wasteful number, since it uses less digits than its factorization.

3286720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10288 (or 10278 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3286720 is about 1812.9313279879. The cubic root of 3286720 is about 148.6805763181.

The spelling of 3286720 in words is "three million, two hundred eighty-six thousand, seven hundred twenty".