3278213 has 6 divisors (see below), whose sum is σ = 3427494. Its totient is φ = 3135176.

The previous prime is 3278207. The next prime is 3278221. The reversal of 3278213 is 3128723.

It can be written as a sum of positive squares in only one way, i.e., 2666689 + 611524 = 1633^2 + 782^2 .

It is not a de Polignac number, because 3278213 - 2¹⁴ = 3261829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3278113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2570 + ... + 3627.

It is an arithmetic number, because the mean of its divisors is an integer number (571249).

Almost surely, 2^3278213 is an apocalyptic number.

It is an amenable number.

3278213 is a deficient number, since it is larger than the sum of its proper divisors (149281).

3278213 is an equidigital number, since it uses as much as digits as its factorization.

3278213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243 (or 6220 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 3278213 is about 1810.5836075697. The cubic root of 3278213 is about 148.5521891031.

The spelling of 3278213 in words is "three million, two hundred seventy-eight thousand, two hundred thirteen".