8018172 has 36 divisors (see below), whose sum is σ = 20560176. Its totient is φ = 2634240.

The previous prime is 8018107. The next prime is 8018177. The reversal of 8018172 is 2718108.

It is a tau number, because it is divible by the number of its divisors (36).

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (8018177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 988 + ... + 4124.

It is an arithmetic number, because the mean of its divisors is an integer number (571116).

Almost surely, 2^8018172 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 8018172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10280088).

8018172 is an abundant number, since it is smaller than the sum of its proper divisors (12542004).

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

8018172 is a wasteful number, since it uses less digits than its factorization.

8018172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218 (or 3213 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 8018172 is about 2831.6376886883. The cubic root of 8018172 is about 200.1513188175.

The spelling of 8018172 in words is "eight million, eighteen thousand, one hundred seventy-two".