38520428 has 12 divisors (see below), whose sum is σ = 68041512. Its totient is φ = 19080000.

The previous prime is 38520413. The next prime is 38520437. The reversal of 38520428 is 82402583.

38520428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38520394 and 38520403.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 44573 + ... + 45428.

It is an arithmetic number, because the mean of its divisors is an integer number (5670126).

Almost surely, 2^38520428 is an apocalyptic number.

It is an amenable number.

38520428 is a deficient number, since it is larger than the sum of its proper divisors (29521084).

38520428 is a wasteful number, since it uses less digits than its factorization.

38520428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90112 (or 90110 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 38520428 is about 6206.4827398455. The cubic root of 38520428 is about 337.7253817844.

The spelling of 38520428 in words is "thirty-eight million, five hundred twenty thousand, four hundred twenty-eight".