38667128 has 16 divisors (see below), whose sum is σ = 76317000. Its totient is φ = 18315936.

The previous prime is 38667113. The next prime is 38667149. The reversal of 38667128 is 82176683.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 127043 + ... + 127346.

Almost surely, 2^38667128 is an apocalyptic number.

38667128 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38667128 is a deficient number, since it is larger than the sum of its proper divisors (37649872).

38667128 is a wasteful number, since it uses less digits than its factorization.

38667128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254414 (or 254410 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 38667128 is about 6218.2897970423. The cubic root of 38667128 is about 338.1535662956.

The spelling of 38667128 in words is "thirty-eight million, six hundred sixty-seven thousand, one hundred twenty-eight".