9902913 has 4 divisors (see below), whose sum is σ = 13203888. Its totient is φ = 6601940.

The previous prime is 9902911. The next prime is 9902917. The reversal of 9902913 is 3192099.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9902913 - 2¹ = 9902911 is a prime.

9902913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9902911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650483 + ... + 1650488.

It is an arithmetic number, because the mean of its divisors is an integer number (3300972).

Almost surely, 2^9902913 is an apocalyptic number.

It is an amenable number.

9902913 is a deficient number, since it is larger than the sum of its proper divisors (3300975).

9902913 is a wasteful number, since it uses less digits than its factorization.

9902913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300974.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 9902913 is about 3146.8894165509. The cubic root of 9902913 is about 214.7439750338.

The spelling of 9902913 in words is "nine million, nine hundred two thousand, nine hundred thirteen".