3172160 has 56 divisors (see below), whose sum is σ = 7900416. Its totient is φ = 1210880.

The previous prime is 3172159. The next prime is 3172163. The reversal of 3172160 is 612713.

It is a happy number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172163) 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, 7145 + ... + 7575.

Almost surely, 2^3172160 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 3172160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3950208).

3172160 is an abundant number, since it is smaller than the sum of its proper divisors (4728256).

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

3172160 is a wasteful number, since it uses less digits than its factorization.

3172160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 3172160 is about 1781.0558666140. The cubic root of 3172160 is about 146.9326669586.

Adding to 3172160 its reverse (612713), we get a palindrome (3784873).

The spelling of 3172160 in words is "three million, one hundred seventy-two thousand, one hundred sixty".