9940027 has 2 divisors, whose sum is σ = 9940028. Its totient is φ = 9940026.

The previous prime is 9940003. The next prime is 9940031. The reversal of 9940027 is 7200499.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9940027 is a prime.

It is equal to p₆₆₀₉₁₉ and since 9940027 and 660919 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (9940067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4970013 + 4970014.

It is an arithmetic number, because the mean of its divisors is an integer number (4970014).

Almost surely, 2^9940027 is an apocalyptic number.

9940027 is a deficient number, since it is larger than the sum of its proper divisors (1).

9940027 is an equidigital number, since it uses as much as digits as its factorization.

9940027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 9940027 is about 3152.7808360240. The cubic root of 9940027 is about 215.0119120856.

It can be divided in two parts, 994002 and 7, that added together give a square (994009 = 997²).

The spelling of 9940027 in words is "nine million, nine hundred forty thousand, twenty-seven".