9038621920 has 48 divisors (see below), whose sum is σ = 21360014928. Its totient is φ = 3614387200.

The previous prime is 9038621909. The next prime is 9038621929. The reversal of 9038621920 is 291268309.

It is a happy number.

9038621920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9038621929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760020 + ... + 771820.

It is an arithmetic number, because the mean of its divisors is an integer number (445000311).

Almost surely, 2^9038621920 is an apocalyptic number.

It is an amenable number.

9038621920 is an abundant number, since it is smaller than the sum of its proper divisors (12321393008).

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

9038621920 is a wasteful number, since it uses less digits than its factorization.

9038621920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16603 (or 16595 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 9038621920 is about 95071.6672831607. The cubic root of 9038621920 is about 2083.0550151653.

The spelling of 9038621920 in words is "nine billion, thirty-eight million, six hundred twenty-one thousand, nine hundred twenty".