9940772 has 6 divisors (see below), whose sum is σ = 17396358. Its totient is φ = 4970384.

The previous prime is 9940771. The next prime is 9940787. The reversal of 9940772 is 2770499.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9834496 + 106276 = 3136^2 + 326^2 .

It is not an unprimeable number, because it can be changed into a prime (9940771) 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 as a sum of consecutive naturals, namely, 1242593 + ... + 1242600.

It is an arithmetic number, because the mean of its divisors is an integer number (2899393).

Almost surely, 2^9940772 is an apocalyptic number.

It is an amenable number.

9940772 is a deficient number, since it is larger than the sum of its proper divisors (7455586).

9940772 is a wasteful number, since it uses less digits than its factorization.

9940772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485197 (or 2485195 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 9940772 is about 3152.8989834754. The cubic root of 9940772 is about 215.0172836295.

The spelling of 9940772 in words is "nine million, nine hundred forty thousand, seven hundred seventy-two".