9902293 has 2 divisors, whose sum is σ = 9902294. Its totient is φ = 9902292.

The previous prime is 9902281. The next prime is 9902327. The reversal of 9902293 is 3922099.

9902293 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (9902327) can be obtained adding 9902293 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8898289 + 1004004 = 2983^2 + 1002^2 .

It is an emirp because it is prime and its reverse (3922099) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9902293 - 2²¹ = 7805141 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9902203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4951146 + 4951147.

It is an arithmetic number, because the mean of its divisors is an integer number (4951147).

Almost surely, 2^9902293 is an apocalyptic number.

It is an amenable number.

9902293 is a deficient number, since it is larger than the sum of its proper divisors (1).

9902293 is an equidigital number, since it uses as much as digits as its factorization.

9902293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 9902293 is about 3146.7909050333. The cubic root of 9902293 is about 214.7394933881.

The spelling of 9902293 in words is "nine million, nine hundred two thousand, two hundred ninety-three".