3278668 has 12 divisors (see below), whose sum is σ = 5782392. Its totient is φ = 1626560.

The previous prime is 3278651. The next prime is 3278669. The reversal of 3278668 is 8668723.

It is a happy number.

It is a d-powerful number, because it can be written as 3¹³ + 2⁹ + 7⁴ + 8 + 6⁴ + 6⁸ + 8³ .

It is a self number, because there is not a number n which added to its sum of digits gives 3278668.

It is not an unprimeable number, because it can be changed into a prime (3278669) 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, 2605 + ... + 3652.

It is an arithmetic number, because the mean of its divisors is an integer number (481866).

Almost surely, 2^3278668 is an apocalyptic number.

It is an amenable number.

3278668 is a deficient number, since it is larger than the sum of its proper divisors (2503724).

3278668 is a wasteful number, since it uses less digits than its factorization.

3278668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392 (or 6390 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 3278668 is about 1810.7092533038. The cubic root of 3278668 is about 148.5590615587.

The spelling of 3278668 in words is "three million, two hundred seventy-eight thousand, six hundred sixty-eight".