4162172 has 36 divisors (see below), whose sum is σ = 8732976. Its totient is φ = 1700160.

The previous prime is 4162157. The next prime is 4162177. The reversal of 4162172 is 2712614.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4162177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14672 + ... + 14952.

Almost surely, 2^4162172 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 4162172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4366488).

4162172 is an abundant number, since it is smaller than the sum of its proper divisors (4570804).

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

4162172 is a wasteful number, since it uses less digits than its factorization.

4162172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 313 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 4162172 is about 2040.1401912614. The cubic root of 4162172 is about 160.8570159106.

Adding to 4162172 its reverse (2712614), we get a palindrome (6874786).

It can be divided in two parts, 4162 and 172, that added together give a palindrome (4334).

The spelling of 4162172 in words is "four million, one hundred sixty-two thousand, one hundred seventy-two".