38889512 has 16 divisors (see below), whose sum is σ = 73059360. Its totient is φ = 19407024.

The previous prime is 38889503. The next prime is 38889517. The reversal of 38889512 is 21598883.

It is not an unprimeable number, because it can be changed into a prime (38889517) 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, 68 + ... + 8819.

It is an arithmetic number, because the mean of its divisors is an integer number (4566210).

Almost surely, 2^38889512 is an apocalyptic number.

It is an amenable number.

38889512 is a deficient number, since it is larger than the sum of its proper divisors (34169848).

38889512 is a wasteful number, since it uses less digits than its factorization.

38889512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9440 (or 9436 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The square root of 38889512 is about 6236.1456044579. The cubic root of 38889512 is about 338.8005951035.

The spelling of 38889512 in words is "thirty-eight million, eight hundred eighty-nine thousand, five hundred twelve".