3278220 has 48 divisors (see below), whose sum is σ = 10015488. Its totient is φ = 794560.

The previous prime is 3278207. The next prime is 3278221. The reversal of 3278220 is 228723.

It is not an unprimeable number, because it can be changed into a prime (3278221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1824 + ... + 3143.

It is an arithmetic number, because the mean of its divisors is an integer number (208656).

Almost surely, 2^3278220 is an apocalyptic number.

3278220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3278220 is an abundant number, since it is smaller than the sum of its proper divisors (6737268).

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

3278220 is a wasteful number, since it uses less digits than its factorization.

3278220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990 (or 4988 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 3278220 is about 1810.5855406470. The cubic root of 3278220 is about 148.5522948380.

The spelling of 3278220 in words is "three million, two hundred seventy-eight thousand, two hundred twenty".