9905494 has 16 divisors (see below), whose sum is σ = 15275520. Its totient is φ = 4815720.

The previous prime is 9905491. The next prime is 9905513. The reversal of 9905494 is 4945099.

9905494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9905494² = 196237622768072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9905491) 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, 10777 + ... + 11659.

It is an arithmetic number, because the mean of its divisors is an integer number (954720).

Almost surely, 2^9905494 is an apocalyptic number.

9905494 is a deficient number, since it is larger than the sum of its proper divisors (5370026).

9905494 is a wasteful number, since it uses less digits than its factorization.

9905494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 9905494 is about 3147.2994773297. The cubic root of 9905494 is about 214.7626296814.

The spelling of 9905494 in words is "nine million, nine hundred five thousand, four hundred ninety-four".