38628403 has 24 divisors (see below), whose sum is σ = 45677520. Its totient is φ = 32524800.

The previous prime is 38628397. The next prime is 38628409. The reversal of 38628403 is 30482683.

38628403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38628397) and next prime (38628409).

It is not a de Polignac number, because 38628403 - 2²¹ = 36531251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38628409) 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 23 ways as a sum of consecutive naturals, for example, 182968 + ... + 183178.

It is an arithmetic number, because the mean of its divisors is an integer number (1903230).

Almost surely, 2^38628403 is an apocalyptic number.

38628403 is a deficient number, since it is larger than the sum of its proper divisors (7049117).

38628403 is a wasteful number, since it uses less digits than its factorization.

38628403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 38628403 is about 6215.1752187690. The cubic root of 38628403 is about 338.0406420324.

The spelling of 38628403 in words is "thirty-eight million, six hundred twenty-eight thousand, four hundred three".