9429997 has 2 divisors, whose sum is σ = 9429998. Its totient is φ = 9429996.

The previous prime is 9429967. The next prime is 9430009. The reversal of 9429997 is 7999249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9418761 + 11236 = 3069^2 + 106^2 .

It is an emirp because it is prime and its reverse (7999249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9429997 - 2⁷ = 9429869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9429997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9429907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4714998 + 4714999.

It is an arithmetic number, because the mean of its divisors is an integer number (4714999).

Almost surely, 2^9429997 is an apocalyptic number.

It is an amenable number.

9429997 is a deficient number, since it is larger than the sum of its proper divisors (1).

9429997 is an equidigital number, since it uses as much as digits as its factorization.

9429997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 49.

The square root of 9429997 is about 3070.8300180896. The cubic root of 9429997 is about 211.2696850347.

The spelling of 9429997 in words is "nine million, four hundred twenty-nine thousand, nine hundred ninety-seven".