9942697 has 2 divisors, whose sum is σ = 9942698. Its totient is φ = 9942696.

The previous prime is 9942689. The next prime is 9942701. The reversal of 9942697 is 7962499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6859161 + 3083536 = 2619^2 + 1756^2 .

It is an emirp because it is prime and its reverse (7962499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9942697 - 2³ = 9942689 is a prime.

It is not a weakly prime, because it can be changed into another prime (9942607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4971348 + 4971349.

It is an arithmetic number, because the mean of its divisors is an integer number (4971349).

Almost surely, 2^9942697 is an apocalyptic number.

It is an amenable number.

9942697 is a deficient number, since it is larger than the sum of its proper divisors (1).

9942697 is an equidigital number, since it uses as much as digits as its factorization.

9942697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 46.

The square root of 9942697 is about 3153.2042433055. The cubic root of 9942697 is about 215.0311618795.

The spelling of 9942697 in words is "nine million, nine hundred forty-two thousand, six hundred ninety-seven".