9918934 has 16 divisors (see below), whose sum is σ = 15593472. Its totient is φ = 4723048.

The previous prime is 9918917. The next prime is 9918941. The reversal of 9918934 is 4398199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17337 + ... + 17899.

It is an arithmetic number, because the mean of its divisors is an integer number (974592).

Almost surely, 2^9918934 is an apocalyptic number.

9918934 is a deficient number, since it is larger than the sum of its proper divisors (5674538).

9918934 is a wasteful number, since it uses less digits than its factorization.

9918934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

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

The square root of 9918934 is about 3149.4339173890. The cubic root of 9918934 is about 214.8597173944.

The spelling of 9918934 in words is "nine million, nine hundred eighteen thousand, nine hundred thirty-four".