38149688 has 16 divisors (see below), whose sum is σ = 71596680. Its totient is φ = 19057248.

The previous prime is 38149687. The next prime is 38149753. The reversal of 38149688 is 88694183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38149681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14231 + ... + 16697.

Almost surely, 2^38149688 is an apocalyptic number.

It is an amenable number.

38149688 is a deficient number, since it is larger than the sum of its proper divisors (33446992).

38149688 is a wasteful number, since it uses less digits than its factorization.

38149688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406 (or 4402 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 38149688 is about 6176.5433698793. The cubic root of 38149688 is about 336.6384073700.

The spelling of 38149688 in words is "thirty-eight million, one hundred forty-nine thousand, six hundred eighty-eight".