3221792 has 48 divisors (see below), whose sum is σ = 7640640. Its totient is φ = 1306368.

The previous prime is 3221791. The next prime is 3221807. The reversal of 3221792 is 2971223.

It is not an unprimeable number, because it can be changed into a prime (3221791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3878 + ... + 4634.

It is an arithmetic number, because the mean of its divisors is an integer number (159180).

Almost surely, 2^3221792 is an apocalyptic number.

3221792 is a gapful number since it is divisible by the number (32) 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 3221792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3820320).

3221792 is an abundant number, since it is smaller than the sum of its proper divisors (4418848).

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

3221792 is a wasteful number, since it uses less digits than its factorization.

3221792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 785 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 3221792 is about 1794.9350963196. The cubic root of 3221792 is about 147.6950135277.

The spelling of 3221792 in words is "three million, two hundred twenty-one thousand, seven hundred ninety-two".