9990804934 has 8 divisors (see below), whose sum is σ = 16348589928. Its totient is φ = 4541274960.

The previous prime is 9990804911. The next prime is 9990804959. The reversal of 9990804934 is 4394080999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227063727 + ... + 227063770.

It is an arithmetic number, because the mean of its divisors is an integer number (2043573741).

Almost surely, 2^9990804934 is an apocalyptic number.

9990804934 is a deficient number, since it is larger than the sum of its proper divisors (6357784994).

9990804934 is a wasteful number, since it uses less digits than its factorization.

9990804934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454127510.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The square root of 9990804934 is about 99954.0140964834. The cubic root of 9990804934 is about 2153.7741485608.

The spelling of 9990804934 in words is "nine billion, nine hundred ninety million, eight hundred four thousand, nine hundred thirty-four".