9901934 has 20 divisors (see below), whose sum is σ = 17580984. Its totient is φ = 4097352.

The previous prime is 9901901. The next prime is 9901981. The reversal of 9901934 is 4391099.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9901894 and 9901903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 341432 + ... + 341460.

Almost surely, 2^9901934 is an apocalyptic number.

9901934 is a deficient number, since it is larger than the sum of its proper divisors (7679050).

9901934 is an frugal number, since it uses more digits than its factorization.

9901934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 9901934 is about 3146.7338622769. The cubic root of 9901934 is about 214.7368982851.

The spelling of 9901934 in words is "nine million, nine hundred one thousand, nine hundred thirty-four".