9268731906 has 64 divisors (see below), whose sum is σ = 21688608000. Its totient is φ = 2639564928.

The previous prime is 9268731893. The next prime is 9268731917. The reversal of 9268731906 is 6091378629.

It is a super-2 number, since 2×9268731906² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 636960 + ... + 651348.

It is an arithmetic number, because the mean of its divisors is an integer number (338884500).

Almost surely, 2^9268731906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9268731906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10844304000).

9268731906 is an abundant number, since it is smaller than the sum of its proper divisors (12419876094).

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

9268731906 is a wasteful number, since it uses less digits than its factorization.

9268731906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14728 (or 14714 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 9268731906 is about 96274.2535987686. The cubic root of 9268731906 is about 2100.5842596551.

The spelling of 9268731906 in words is "nine billion, two hundred sixty-eight million, seven hundred thirty-one thousand, nine hundred six".