3168972 has 72 divisors (see below), whose sum is σ = 8714160. Its totient is φ = 967680.

The previous prime is 3168961. The next prime is 3168973. The reversal of 3168972 is 2798613.

3168972 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3168973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27988 + ... + 28100.

It is an arithmetic number, because the mean of its divisors is an integer number (121030).

Almost surely, 2^3168972 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 3168972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4357080).

3168972 is an abundant number, since it is smaller than the sum of its proper divisors (5545188).

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

3168972 is a wasteful number, since it uses less digits than its factorization.

3168972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 178 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3168972 is about 1780.1606669062. The cubic root of 3168972 is about 146.8834283378.

The spelling of 3168972 in words is "three million, one hundred sixty-eight thousand, nine hundred seventy-two".