38000128 has 20 divisors (see below), whose sum is σ = 75927060. Its totient is φ = 18999808.

The previous prime is 38000113. The next prime is 38000129. The reversal of 38000128 is 82100083.

It is a super-3 number, since 3×38000128³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38000099 and 38000108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38000129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36598 + ... + 37621.

It is an arithmetic number, because the mean of its divisors is an integer number (3796353).

Almost surely, 2^38000128 is an apocalyptic number.

It is an amenable number.

38000128 is a deficient number, since it is larger than the sum of its proper divisors (37926932).

38000128 is an frugal number, since it uses more digits than its factorization.

38000128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74237 (or 74221 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 38000128 is about 6164.4243851312. The cubic root of 38000128 is about 336.1979181644.

The spelling of 38000128 in words is "thirty-eight million, one hundred twenty-eight", and thus it is an aban number.