38000813 has 8 divisors (see below), whose sum is σ = 39340032. Its totient is φ = 36678096.

The previous prime is 38000801. The next prime is 38000819. The reversal of 38000813 is 31800083.

38000813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38000813 - 2⁶ = 38000749 is a prime.

It is a Duffinian number.

38000813 is a modest number, since divided by 813 gives 380 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38000819) 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 7 ways as a sum of consecutive naturals, for example, 656 + ... + 8742.

It is an arithmetic number, because the mean of its divisors is an integer number (4917504).

Almost surely, 2^38000813 is an apocalyptic number.

It is an amenable number.

38000813 is a deficient number, since it is larger than the sum of its proper divisors (1339219).

38000813 is a wasteful number, since it uses less digits than its factorization.

38000813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8251.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 38000813 is about 6164.4799456240. The cubic root of 38000813 is about 336.1999382821.

Adding to 38000813 its reverse (31800083), we get a palindrome (69800896).

The spelling of 38000813 in words is "thirty-eight million, eight hundred thirteen", and thus it is an aban number.