8630172 has 48 divisors (see below), whose sum is σ = 22932000. Its totient is φ = 2805120.

The previous prime is 8630159. The next prime is 8630173. The reversal of 8630172 is 2710368.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8630173) 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 15 ways as a sum of consecutive naturals, for example, 3454 + ... + 5402.

It is an arithmetic number, because the mean of its divisors is an integer number (477750).

Almost surely, 2^8630172 is an apocalyptic number.

8630172 is a gapful number since it is divisible by the number (82) 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 8630172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11466000).

8630172 is an abundant number, since it is smaller than the sum of its proper divisors (14301828).

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

8630172 is a wasteful number, since it uses less digits than its factorization.

8630172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 8630172 is about 2937.7154389083. The cubic root of 8630172 is about 205.1192801763.

The spelling of 8630172 in words is "eight million, six hundred thirty thousand, one hundred seventy-two".