8486172 has 72 divisors (see below), whose sum is σ = 23071776. Its totient is φ = 2623104.

The previous prime is 8486167. The next prime is 8486197. The reversal of 8486172 is 2716848.

8486172 is a `hidden beast` number, since 8 + 486 + 172 = 666.

It is a super-3 number, since 3×8486172³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) 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 (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30498 + ... + 30774.

Almost surely, 2^8486172 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 8486172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11535888).

8486172 is an abundant number, since it is smaller than the sum of its proper divisors (14585604).

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

8486172 is a wasteful number, since it uses less digits than its factorization.

8486172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 342 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 8486172 is about 2913.1034997061. The cubic root of 8486172 is about 203.9720261527.

The spelling of 8486172 in words is "eight million, four hundred eighty-six thousand, one hundred seventy-two".