9918941 has 2 divisors, whose sum is σ = 9918942. Its totient is φ = 9918940.

The previous prime is 9918917. The next prime is 9918949. The reversal of 9918941 is 1498199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6002500 + 3916441 = 2450^2 + 1979^2 .

It is a cyclic number.

It is not a de Polignac number, because 9918941 - 2⁶ = 9918877 is a prime.

It is a super-2 number, since 2×9918941² = 196770781122962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9918949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4959470 + 4959471.

It is an arithmetic number, because the mean of its divisors is an integer number (4959471).

Almost surely, 2^9918941 is an apocalyptic number.

It is an amenable number.

9918941 is a deficient number, since it is larger than the sum of its proper divisors (1).

9918941 is an equidigital number, since it uses as much as digits as its factorization.

9918941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 41.

The square root of 9918941 is about 3149.4350286996. The cubic root of 9918941 is about 214.8597679381.

The spelling of 9918941 in words is "nine million, nine hundred eighteen thousand, nine hundred forty-one".