4043172 has 48 divisors (see below), whose sum is σ = 10895360. Its totient is φ = 1143072.

The previous prime is 4043167. The next prime is 4043173. The reversal of 4043172 is 2713404.

4043172 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 (21).

It is not an unprimeable number, because it can be changed into a prime (4043173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10479 + ... + 10857.

Almost surely, 2^4043172 is an apocalyptic number.

4043172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4043172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5447680).

4043172 is an abundant number, since it is smaller than the sum of its proper divisors (6852188).

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

4043172 is a wasteful number, since it uses less digits than its factorization.

4043172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 4043172 is about 2010.7640338936. The cubic root of 4043172 is about 159.3091568079.

Adding to 4043172 its reverse (2713404), we get a palindrome (6756576).

The spelling of 4043172 in words is "four million, forty-three thousand, one hundred seventy-two".