9287172 has 36 divisors (see below), whose sum is σ = 23705136. Its totient is φ = 3065520.

The previous prime is 9287167. The next prime is 9287177. The reversal of 9287172 is 2717829.

It is an interprime number because it is at equal distance from previous prime (9287167) and next prime (9287177).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (9287177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2647 + ... + 5057.

It is an arithmetic number, because the mean of its divisors is an integer number (658476).

Almost surely, 2^9287172 is an apocalyptic number.

It is an amenable number.

9287172 is an abundant number, since it is smaller than the sum of its proper divisors (14417964).

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

9287172 is a wasteful number, since it uses less digits than its factorization.

9287172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528 (or 2523 counting only the distinct ones).

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

The square root of 9287172 is about 3047.4861771631. The cubic root of 9287172 is about 210.1976370689.

It can be divided in two parts, 928 and 7172, that added together give a square (8100 = 90²).

The spelling of 9287172 in words is "nine million, two hundred eighty-seven thousand, one hundred seventy-two".