3171672 has 144 divisors (see below), whose sum is σ = 10670400. Its totient is φ = 846720.

The previous prime is 3171671. The next prime is 3171683. The reversal of 3171672 is 2761713.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3171671) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 102297 + ... + 102327.

It is an arithmetic number, because the mean of its divisors is an integer number (74100).

Almost surely, 2^3171672 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 3171672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5335200).

3171672 is an abundant number, since it is smaller than the sum of its proper divisors (7498728).

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

3171672 is a wasteful number, since it uses less digits than its factorization.

3171672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 72 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 3171672 is about 1780.9188639576. The cubic root of 3171672 is about 146.9251319437.

The spelling of 3171672 in words is "three million, one hundred seventy-one thousand, six hundred seventy-two".