9940771 has 2 divisors, whose sum is σ = 9940772. Its totient is φ = 9940770.

The previous prime is 9940759. The next prime is 9940787. The reversal of 9940771 is 1770499.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9940771 - 2⁷ = 9940643 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9940771.

It is not a weakly prime, because it can be changed into another prime (9940741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4970385 + 4970386.

It is an arithmetic number, because the mean of its divisors is an integer number (4970386).

Almost surely, 2^9940771 is an apocalyptic number.

9940771 is a deficient number, since it is larger than the sum of its proper divisors (1).

9940771 is an equidigital number, since it uses as much as digits as its factorization.

9940771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 9940771 is about 3152.8988248912. The cubic root of 9940771 is about 215.0172764195.

The spelling of 9940771 in words is "nine million, nine hundred forty thousand, seven hundred seventy-one".