3286820 has 12 divisors (see below), whose sum is σ = 6902364. Its totient is φ = 1314720.

The previous prime is 3286807. The next prime is 3286823. The reversal of 3286820 is 286823.

3286820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1420864 + 1865956 = 1192^2 + 1366^2 .

It is not an unprimeable number, because it can be changed into a prime (3286823) 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, 82151 + ... + 82190.

It is an arithmetic number, because the mean of its divisors is an integer number (575197).

Almost surely, 2^3286820 is an apocalyptic number.

It is an amenable number.

3286820 is an abundant number, since it is smaller than the sum of its proper divisors (3615544).

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

3286820 is a wasteful number, since it uses less digits than its factorization.

3286820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164350 (or 164348 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 3286820 is about 1812.9589074218. The cubic root of 3286820 is about 148.6820841950.

The spelling of 3286820 in words is "three million, two hundred eighty-six thousand, eight hundred twenty".