38663128 has 32 divisors (see below), whose sum is σ = 83462400. Its totient is φ = 16447392.

The previous prime is 38663057. The next prime is 38663147. The reversal of 38663128 is 82136683.

It is a congruent number.

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, 5301 + ... + 10267.

It is an arithmetic number, because the mean of its divisors is an integer number (2608200).

Almost surely, 2^38663128 is an apocalyptic number.

It is an amenable number.

38663128 is an abundant number, since it is smaller than the sum of its proper divisors (44799272).

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

38663128 is a wasteful number, since it uses less digits than its factorization.

38663128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119 (or 5115 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 38663128 is about 6217.9681568821. The cubic root of 38663128 is about 338.1419055648.

The spelling of 38663128 in words is "thirty-eight million, six hundred sixty-three thousand, one hundred twenty-eight".