38328403 has 4 divisors (see below), whose sum is σ = 38357200. Its totient is φ = 38299608.

The previous prime is 38328397. The next prime is 38328443. The reversal of 38328403 is 30482383.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38328403 - 2⁵ = 38328371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38328443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12300 + ... + 15097.

It is an arithmetic number, because the mean of its divisors is an integer number (9589300).

Almost surely, 2^38328403 is an apocalyptic number.

38328403 is a deficient number, since it is larger than the sum of its proper divisors (28797).

38328403 is a wasteful number, since it uses less digits than its factorization.

38328403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28796.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 38328403 is about 6190.9937005298. The cubic root of 38328403 is about 337.1632577240.

The spelling of 38328403 in words is "thirty-eight million, three hundred twenty-eight thousand, four hundred three".