3228870 has 32 divisors (see below), whose sum is σ = 7932672. Its totient is φ = 840672.

The previous prime is 3228857. The next prime is 3228871. The reversal of 3228870 is 788223.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228871) 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, 39 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (247896).

Almost surely, 2^3228870 is an apocalyptic number.

3228870 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3228870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3966336).

3228870 is an abundant number, since it is smaller than the sum of its proper divisors (4703802).

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

3228870 is a wasteful number, since it uses less digits than its factorization.

3228870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 3228870 is about 1796.9056736512. The cubic root of 3228870 is about 147.8030921682.

The spelling of 3228870 in words is "three million, two hundred twenty-eight thousand, eight hundred seventy".