3278705 has 12 divisors (see below), whose sum is σ = 4181340. Its totient is φ = 2467584.

The previous prime is 3278701. The next prime is 3278741. The reversal of 3278705 is 5078723.

It can be written as a sum of positive squares in 6 ways, for example, as 13456 + 3265249 = 116^2 + 1807^2 .

It is not a de Polignac number, because 3278705 - 2² = 3278701 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3278701) 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, 311 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (348445).

Almost surely, 2^3278705 is an apocalyptic number.

It is an amenable number.

3278705 is a deficient number, since it is larger than the sum of its proper divisors (902635).

3278705 is a wasteful number, since it uses less digits than its factorization.

3278705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 3278705 is about 1810.7194702659. The cubic root of 3278705 is about 148.5596203897.

The spelling of 3278705 in words is "three million, two hundred seventy-eight thousand, seven hundred five".