3278368 has 24 divisors (see below), whose sum is σ = 6579468. Its totient is φ = 1607424.

The previous prime is 3278347. The next prime is 3278369. The reversal of 3278368 is 8638723.

It can be written as a sum of positive squares in 2 ways, for example, as 3139984 + 138384 = 1772^2 + 372^2 .

It is not an unprimeable number, because it can be changed into a prime (3278369) 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, 730 + ... + 2662.

Almost surely, 2^3278368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3278368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3289734).

3278368 is an abundant number, since it is smaller than the sum of its proper divisors (3301100).

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

3278368 is a wasteful number, since it uses less digits than its factorization.

3278368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1988 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 3278368 is about 1810.6264109418. The cubic root of 3278368 is about 148.5545303407.

It can be divided in two parts, 32 and 78368, that added together give a square (78400 = 280²).

The spelling of 3278368 in words is "three million, two hundred seventy-eight thousand, three hundred sixty-eight".