9938367442 has 8 divisors (see below), whose sum is σ = 14910829056. Its totient is φ = 4968091092.

The previous prime is 9938367437. The next prime is 9938367443. The reversal of 9938367442 is 2447638399.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9938367442² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9938367443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534898 + ... + 553165.

It is an arithmetic number, because the mean of its divisors is an integer number (1863853632).

Almost surely, 2^9938367442 is an apocalyptic number.

9938367442 is a deficient number, since it is larger than the sum of its proper divisors (4972461614).

9938367442 is a wasteful number, since it uses less digits than its factorization.

9938367442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092632.

The product of its digits is 7838208, while the sum is 55.

The square root of 9938367442 is about 99691.3609195902. The cubic root of 9938367442 is about 2149.9994549845. Note that the first 3 decimals are identical.

The spelling of 9938367442 in words is "nine billion, nine hundred thirty-eight million, three hundred sixty-seven thousand, four hundred forty-two".