9938481 has 16 divisors (see below), whose sum is σ = 15289344. Its totient is φ = 5624784.

The previous prime is 9938471. The next prime is 9938519. The reversal of 9938481 is 1848399.

9938481 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9938481 - 2⁶ = 9938417 is a prime.

It is a super-2 number, since 2×9938481² = 197546809174722, which contains 22 as substring.

It is an Ulam number.

9938481 is strictly pandigital in base 8.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9938431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36 + ... + 4458.

It is an arithmetic number, because the mean of its divisors is an integer number (955584).

Almost surely, 2^9938481 is an apocalyptic number.

It is an amenable number.

9938481 is a deficient number, since it is larger than the sum of its proper divisors (5350863).

9938481 is a wasteful number, since it uses less digits than its factorization.

9938481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540.

The product of its digits is 62208, while the sum is 42.

The square root of 9938481 is about 3152.5356461109. The cubic root of 9938481 is about 215.0007643744. Note that the first 3 decimals are identical.

The spelling of 9938481 in words is "nine million, nine hundred thirty-eight thousand, four hundred eighty-one".