9976172 has 24 divisors (see below), whose sum is σ = 18450432. Its totient is φ = 4712400.

The previous prime is 9976171. The next prime is 9976193. The reversal of 9976172 is 2716799.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9976171) 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 in 7 ways as a sum of consecutive naturals, for example, 4397 + ... + 6267.

It is an arithmetic number, because the mean of its divisors is an integer number (768768).

Almost surely, 2^9976172 is an apocalyptic number.

It is an amenable number.

9976172 is a deficient number, since it is larger than the sum of its proper divisors (8474260).

9976172 is a wasteful number, since it uses less digits than its factorization.

9976172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1947 counting only the distinct ones).

The product of its digits is 47628, while the sum is 41.

The square root of 9976172 is about 3158.5078755640. The cubic root of 9976172 is about 215.2722133424.

The spelling of 9976172 in words is "nine million, nine hundred seventy-six thousand, one hundred seventy-two".