9990934 has 16 divisors (see below), whose sum is σ = 15927408. Its totient is φ = 4684032.

The previous prime is 9990919. The next prime is 9990943. The reversal of 9990934 is 4390999.

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 in 7 ways as a sum of consecutive naturals, for example, 15217 + ... + 15859.

It is an arithmetic number, because the mean of its divisors is an integer number (995463).

Almost surely, 2^9990934 is an apocalyptic number.

9990934 is a deficient number, since it is larger than the sum of its proper divisors (5936474).

9990934 is a wasteful number, since it uses less digits than its factorization.

9990934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 9990934 is about 3160.8438746639. The cubic root of 9990934 is about 215.3783423016.

The spelling of 9990934 in words is "nine million, nine hundred ninety thousand, nine hundred thirty-four".