8190172 has 12 divisors (see below), whose sum is σ = 14720440. Its totient is φ = 3984336.

The previous prime is 8190163. The next prime is 8190179. The reversal of 8190172 is 2710918.

8190172 = T₄₃₃ + T₄₃₄ + ... + T₅₀₆.

It is a self number, because there is not a number n which added to its sum of digits gives 8190172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8190179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27522 + ... + 27817.

Almost surely, 2^8190172 is an apocalyptic number.

It is an amenable number.

8190172 is a deficient number, since it is larger than the sum of its proper divisors (6530268).

8190172 is a wasteful number, since it uses less digits than its factorization.

8190172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55380 (or 55378 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 8190172 is about 2861.8476549250. The cubic root of 8190172 is about 201.5723724948.

The spelling of 8190172 in words is "eight million, one hundred ninety thousand, one hundred seventy-two".