38541728 has 24 divisors (see below), whose sum is σ = 79873920. Its totient is φ = 18256320.

The previous prime is 38541707. The next prime is 38541733. The reversal of 38541728 is 82714583.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 38541691 and 38541700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31088 + ... + 32303.

It is an arithmetic number, because the mean of its divisors is an integer number (3328080).

Almost surely, 2^38541728 is an apocalyptic number.

38541728 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

38541728 is an abundant number, since it is smaller than the sum of its proper divisors (41332192).

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

38541728 is a wasteful number, since it uses less digits than its factorization.

38541728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63420 (or 63412 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 38541728 is about 6208.1984504363. The cubic root of 38541728 is about 337.7876191090.

The spelling of 38541728 in words is "thirty-eight million, five hundred forty-one thousand, seven hundred twenty-eight".