3172288 has 56 divisors (see below), whose sum is σ = 7368032. Its totient is φ = 1327104.

The previous prime is 3172277. The next prime is 3172289. The reversal of 3172288 is 8822713.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×3172288² = 20126822309888, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32656 + ... + 32752.

It is an arithmetic number, because the mean of its divisors is an integer number (131572).

Almost surely, 2^3172288 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 3172288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3684016).

3172288 is an abundant number, since it is smaller than the sum of its proper divisors (4195744).

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

3172288 is an equidigital number, since it uses as much as digits as its factorization.

3172288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 179 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 3172288 is about 1781.0917999924. The cubic root of 3172288 is about 146.9346432280.

The spelling of 3172288 in words is "three million, one hundred seventy-two thousand, two hundred eighty-eight".