9838515966 has 8 divisors (see below), whose sum is σ = 19677031944. Its totient is φ = 3279505320.

The previous prime is 9838515941. The next prime is 9838515979. The reversal of 9838515966 is 6695158389.

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

9838515966 is an admirable number.

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, 819876325 + ... + 819876336.

It is an arithmetic number, because the mean of its divisors is an integer number (2459628993).

Almost surely, 2^9838515966 is an apocalyptic number.

9838515966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9838515966 is a wasteful number, since it uses less digits than its factorization.

9838515966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639752666.

The product of its digits is 13996800, while the sum is 60.

The square root of 9838515966 is about 99189.2936057113. The cubic root of 9838515966 is about 2142.7748066434.

The spelling of 9838515966 in words is "nine billion, eight hundred thirty-eight million, five hundred fifteen thousand, nine hundred sixty-six".