9938908464 has 40 divisors (see below), whose sum is σ = 25805870640. Its totient is φ = 3296149248.

The previous prime is 9938908451. The next prime is 9938908477. The reversal of 9938908464 is 4648098399.

It is an interprime number because it is at equal distance from previous prime (9938908451) and next prime (9938908477).

It is a junction number, because it is equal to n+sod(n) for n = 9938908398 and 9938908407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516079 + ... + 534990.

It is an arithmetic number, because the mean of its divisors is an integer number (645146766).

Almost surely, 2^9938908464 is an apocalyptic number.

It is an amenable number.

9938908464 is an abundant number, since it is smaller than the sum of its proper divisors (15866962176).

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

9938908464 is a wasteful number, since it uses less digits than its factorization.

9938908464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051277 (or 1051271 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 60.

The square root of 9938908464 is about 99694.0743675370. The cubic root of 9938908464 is about 2150.0384679614.

The spelling of 9938908464 in words is "nine billion, nine hundred thirty-eight million, nine hundred eight thousand, four hundred sixty-four".