3219968 has 40 divisors (see below), whose sum is σ = 6792720. Its totient is φ = 1520640.

The previous prime is 3219967. The next prime is 3219973. The reversal of 3219968 is 8699123.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (3219967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9563 + ... + 9893.

It is an arithmetic number, because the mean of its divisors is an integer number (169818).

Almost surely, 2^3219968 is an apocalyptic number.

3219968 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3219968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3396360).

3219968 is an abundant number, since it is smaller than the sum of its proper divisors (3572752).

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

3219968 is an equidigital number, since it uses as much as digits as its factorization.

3219968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 352 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 3219968 is about 1794.4269280191. The cubic root of 3219968 is about 147.6671360235.

The spelling of 3219968 in words is "three million, two hundred nineteen thousand, nine hundred sixty-eight".