9239164920 has 384 divisors, whose sum is σ = 31953579840. Its totient is φ = 2312478720.

The previous prime is 9239164889. The next prime is 9239164933. The reversal of 9239164920 is 294619329.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 67439092 + ... + 67439228.

Almost surely, 2^9239164920 is an apocalyptic number.

9239164920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9239164920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15976789920).

9239164920 is an abundant number, since it is smaller than the sum of its proper divisors (22714414920).

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

9239164920 is a wasteful number, since it uses less digits than its factorization.

9239164920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 9239164920 is about 96120.5749046478. The cubic root of 9239164920 is about 2098.3482794382.

The spelling of 9239164920 in words is "nine billion, two hundred thirty-nine million, one hundred sixty-four thousand, nine hundred twenty".