9890913 has 8 divisors (see below), whose sum is σ = 13436928. Its totient is φ = 6469424.

The previous prime is 9890911. The next prime is 9890917. The reversal of 9890913 is 3190989.

9890913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9890913 - 2¹ = 9890911 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30945 + ... + 31262.

It is an arithmetic number, because the mean of its divisors is an integer number (1679616).

Almost surely, 2^9890913 is an apocalyptic number.

It is an amenable number.

9890913 is a deficient number, since it is larger than the sum of its proper divisors (3546015).

9890913 is a wasteful number, since it uses less digits than its factorization.

9890913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62263.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 9890913 is about 3144.9821939083. The cubic root of 9890913 is about 214.6572002543.

The spelling of 9890913 in words is "nine million, eight hundred ninety thousand, nine hundred thirteen".