8279172 has 120 divisors (see below), whose sum is σ = 24881472. Its totient is φ = 2376000.

The previous prime is 8279147. The next prime is 8279203. The reversal of 8279172 is 2719728.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 39 ways as a sum of consecutive naturals, for example, 81922 + ... + 82022.

Almost surely, 2^8279172 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 8279172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12440736).

8279172 is an abundant number, since it is smaller than the sum of its proper divisors (16602300).

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

8279172 is a wasteful number, since it uses less digits than its factorization.

8279172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 140 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 8279172 is about 2877.3550354449. The cubic root of 8279172 is about 202.2998846108.

It can be divided in two parts, 827 and 9172, that added together give a palindrome (9999).

The spelling of 8279172 in words is "eight million, two hundred seventy-nine thousand, one hundred seventy-two".