8905172 has 6 divisors (see below), whose sum is σ = 15584058. Its totient is φ = 4452584.

The previous prime is 8905151. The next prime is 8905177. The reversal of 8905172 is 2715098.

8905172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7474756 + 1430416 = 2734^2 + 1196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8905177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113143 + ... + 1113150.

It is an arithmetic number, because the mean of its divisors is an integer number (2597343).

Almost surely, 2^8905172 is an apocalyptic number.

It is an amenable number.

8905172 is a deficient number, since it is larger than the sum of its proper divisors (6678886).

8905172 is a wasteful number, since it uses less digits than its factorization.

8905172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226297 (or 2226295 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 8905172 is about 2984.1534813076. The cubic root of 8905172 is about 207.2752451031.

The spelling of 8905172 in words is "eight million, nine hundred five thousand, one hundred seventy-two".