9640172 has 6 divisors (see below), whose sum is σ = 16870308. Its totient is φ = 4820084.

The previous prime is 9640171. The next prime is 9640199. The reversal of 9640172 is 2710469.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (9640171) by changing a digit.

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 as a sum of consecutive naturals, namely, 1205018 + ... + 1205025.

It is an arithmetic number, because the mean of its divisors is an integer number (2811718).

Almost surely, 2^9640172 is an apocalyptic number.

It is an amenable number.

9640172 is a deficient number, since it is larger than the sum of its proper divisors (7230136).

9640172 is a wasteful number, since it uses less digits than its factorization.

9640172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410047 (or 2410045 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 9640172 is about 3104.8626378634. The cubic root of 9640172 is about 212.8277535080.

The spelling of 9640172 in words is "nine million, six hundred forty thousand, one hundred seventy-two".