8906172 has 48 divisors (see below), whose sum is σ = 22915200. Its totient is φ = 2669760.

The previous prime is 8906153. The next prime is 8906179. The reversal of 8906172 is 2716098.

It is a hoax number, since the sum of its digits (33) 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 (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8906179) 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, 14079 + ... + 14697.

It is an arithmetic number, because the mean of its divisors is an integer number (477400).

Almost surely, 2^8906172 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 8906172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11457600).

8906172 is an abundant number, since it is smaller than the sum of its proper divisors (14009028).

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

8906172 is a wasteful number, since it uses less digits than its factorization.

8906172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 8906172 is about 2984.3210283078. The cubic root of 8906172 is about 207.2830034218.

The spelling of 8906172 in words is "eight million, nine hundred six thousand, one hundred seventy-two".