9218387952 has 80 divisors (see below), whose sum is σ = 26473781760. Its totient is φ = 3071217600.

The previous prime is 9218387933. The next prime is 9218387957. The reversal of 9218387952 is 2597838129.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9218387957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089177 + ... + 1097607.

It is an arithmetic number, because the mean of its divisors is an integer number (330922272).

Almost surely, 2^9218387952 is an apocalyptic number.

It is an amenable number.

9218387952 is an abundant number, since it is smaller than the sum of its proper divisors (17255393808).

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

9218387952 is a wasteful number, since it uses less digits than its factorization.

9218387952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979 (or 10967 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 9218387952 is about 96012.4364444523. The cubic root of 9218387952 is about 2096.7741820399.

The spelling of 9218387952 in words is "nine billion, two hundred eighteen million, three hundred eighty-seven thousand, nine hundred fifty-two".