38884813 has 8 divisors (see below), whose sum is σ = 42584256. Its totient is φ = 35212800.

The previous prime is 38884787. The next prime is 38884843. The reversal of 38884813 is 31848883.

It is a happy number.

38884813 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 38884813 - 2⁹ = 38884301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38884813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38884843) 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, 3828 + ... + 9613.

It is an arithmetic number, because the mean of its divisors is an integer number (5323032).

Almost surely, 2^38884813 is an apocalyptic number.

It is an amenable number.

38884813 is a deficient number, since it is larger than the sum of its proper divisors (3699443).

38884813 is a wasteful number, since it uses less digits than its factorization.

38884813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13715.

The product of its digits is 147456, while the sum is 43.

The square root of 38884813 is about 6235.7688379221. The cubic root of 38884813 is about 338.7869488525.

The spelling of 38884813 in words is "thirty-eight million, eight hundred eighty-four thousand, eight hundred thirteen".