38828563 has 4 divisors (see below), whose sum is σ = 38879568. Its totient is φ = 38777560.

The previous prime is 38828557. The next prime is 38828591. The reversal of 38828563 is 36582883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36582883 = 31 ⋅1180093.

It is a cyclic number.

It is not a de Polignac number, because 38828563 - 2²¹ = 36731411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38829563) 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, 24343 + ... + 25888.

It is an arithmetic number, because the mean of its divisors is an integer number (9719892).

Almost surely, 2^38828563 is an apocalyptic number.

38828563 is a deficient number, since it is larger than the sum of its proper divisors (51005).

38828563 is an equidigital number, since it uses as much as digits as its factorization.

38828563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51004.

The product of its digits is 276480, while the sum is 43.

The square root of 38828563 is about 6231.2569358036. The cubic root of 38828563 is about 338.6235091885.

The spelling of 38828563 in words is "thirty-eight million, eight hundred twenty-eight thousand, five hundred sixty-three".