9908957 has 2 divisors, whose sum is σ = 9908958. Its totient is φ = 9908956.

The previous prime is 9908939. The next prime is 9909001. The reversal of 9908957 is 7598099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6180196 + 3728761 = 2486^2 + 1931^2 .

It is a cyclic number.

It is not a de Polignac number, because 9908957 - 2¹⁴ = 9892573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9908917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4954478 + 4954479.

It is an arithmetic number, because the mean of its divisors is an integer number (4954479).

Almost surely, 2^9908957 is an apocalyptic number.

It is an amenable number.

9908957 is a deficient number, since it is larger than the sum of its proper divisors (1).

9908957 is an equidigital number, since it uses as much as digits as its factorization.

9908957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 9908957 is about 3147.8495834458. The cubic root of 9908957 is about 214.7876540545.

The spelling of 9908957 in words is "nine million, nine hundred eight thousand, nine hundred fifty-seven".