9772872 has 16 divisors (see below), whose sum is σ = 24432240. Its totient is φ = 3257616.

The previous prime is 9772811. The next prime is 9772877. The reversal of 9772872 is 2782779.

It is not an unprimeable number, because it can be changed into a prime (9772877) 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 3 ways as a sum of consecutive naturals, for example, 203578 + ... + 203625.

It is an arithmetic number, because the mean of its divisors is an integer number (1527015).

Almost surely, 2^9772872 is an apocalyptic number.

It is an amenable number.

9772872 is an abundant number, since it is smaller than the sum of its proper divisors (14659368).

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

9772872 is a wasteful number, since it uses less digits than its factorization.

9772872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407212 (or 407208 counting only the distinct ones).

The product of its digits is 98784, while the sum is 42.

The square root of 9772872 is about 3126.1593049619. The cubic root of 9772872 is about 213.7998536293.

The spelling of 9772872 in words is "nine million, seven hundred seventy-two thousand, eight hundred seventy-two".