38834728 has 16 divisors (see below), whose sum is σ = 73841760. Its totient is φ = 19143600.

The previous prime is 38834717. The next prime is 38834729. The reversal of 38834728 is 82743883.

It is not an unprimeable number, because it can be changed into a prime (38834729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33618 + ... + 34753.

It is an arithmetic number, because the mean of its divisors is an integer number (4615110).

Almost surely, 2^38834728 is an apocalyptic number.

It is an amenable number.

38834728 is a deficient number, since it is larger than the sum of its proper divisors (35007032).

38834728 is a wasteful number, since it uses less digits than its factorization.

38834728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68448 (or 68444 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 38834728 is about 6231.7515996708. The cubic root of 38834728 is about 338.6414298745.

The spelling of 38834728 in words is "thirty-eight million, eight hundred thirty-four thousand, seven hundred twenty-eight".