9772906 has 16 divisors (see below), whose sum is σ = 17222688. Its totient is φ = 4100400.

The previous prime is 9772901. The next prime is 9772969. The reversal of 9772906 is 6092779.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9772901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16800 + ... + 17371.

It is an arithmetic number, because the mean of its divisors is an integer number (1076418).

Almost surely, 2^9772906 is an apocalyptic number.

9772906 is a deficient number, since it is larger than the sum of its proper divisors (7449782).

9772906 is a wasteful number, since it uses less digits than its factorization.

9772906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34197.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 9772906 is about 3126.1647429398. The cubic root of 9772906 is about 213.8001015668.

It can be divided in two parts, 977 and 2906, that added together give a palindrome (3883).

The spelling of 9772906 in words is "nine million, seven hundred seventy-two thousand, nine hundred six".