38813243 has 6 divisors (see below), whose sum is σ = 45150156. Its totient is φ = 33268452.

The previous prime is 38813233. The next prime is 38813249. The reversal of 38813243 is 34231883.

It is a happy number.

38813243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38813243 - 2⁶ = 38813179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38813249) 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 5 ways as a sum of consecutive naturals, for example, 396005 + ... + 396102.

It is an arithmetic number, because the mean of its divisors is an integer number (7525026).

Almost surely, 2^38813243 is an apocalyptic number.

38813243 is a deficient number, since it is larger than the sum of its proper divisors (6336913).

38813243 is an equidigital number, since it uses as much as digits as its factorization.

38813243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792121 (or 792114 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 38813243 is about 6230.0275280291. The cubic root of 38813243 is about 338.5789681412.

It can be divided in two parts, 388 and 13243, that added together give a palindrome (13631).

The spelling of 38813243 in words is "thirty-eight million, eight hundred thirteen thousand, two hundred forty-three".