38828780 has 24 divisors (see below), whose sum is σ = 85832880. Its totient is φ = 14713920.

The previous prime is 38828759. The next prime is 38828789. The reversal of 38828780 is 8782883.

38828780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38828789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50711 + ... + 51470.

It is an arithmetic number, because the mean of its divisors is an integer number (3576370).

Almost surely, 2^38828780 is an apocalyptic number.

It is an amenable number.

38828780 is an abundant number, since it is smaller than the sum of its proper divisors (47004100).

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

38828780 is a wasteful number, since it uses less digits than its factorization.

38828780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102209 (or 102207 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 38828780 is about 6231.2743479966. The cubic root of 38828780 is about 338.6241400056.

The spelling of 38828780 in words is "thirty-eight million, eight hundred twenty-eight thousand, seven hundred eighty".