9940787 has 2 divisors, whose sum is σ = 9940788. Its totient is φ = 9940786.

The previous prime is 9940771. The next prime is 9940793. The reversal of 9940787 is 7870499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9940787 - 2⁴ = 9940771 is a prime.

It is a super-3 number, since 3×9940787³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9940717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4970393 + 4970394.

It is an arithmetic number, because the mean of its divisors is an integer number (4970394).

Almost surely, 2^9940787 is an apocalyptic number.

9940787 is a deficient number, since it is larger than the sum of its proper divisors (1).

9940787 is an equidigital number, since it uses as much as digits as its factorization.

9940787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 9940787 is about 3152.9013622376. The cubic root of 9940787 is about 215.0173917786.

The spelling of 9940787 in words is "nine million, nine hundred forty thousand, seven hundred eighty-seven".