9913894 has 4 divisors (see below), whose sum is σ = 14870844. Its totient is φ = 4956946.

The previous prime is 9913889. The next prime is 9913901. The reversal of 9913894 is 4983199.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9913894.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2478472 + ... + 2478475.

It is an arithmetic number, because the mean of its divisors is an integer number (3717711).

Almost surely, 2^9913894 is an apocalyptic number.

9913894 is a deficient number, since it is larger than the sum of its proper divisors (4956950).

9913894 is a wasteful number, since it uses less digits than its factorization.

9913894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956949.

The product of its digits is 69984, while the sum is 43.

The square root of 9913894 is about 3148.6336719282. The cubic root of 9913894 is about 214.8233197855.

The spelling of 9913894 in words is "nine million, nine hundred thirteen thousand, eight hundred ninety-four".