38813305 has 32 divisors (see below), whose sum is σ = 51093504. Its totient is φ = 28222656.

The previous prime is 38813303. The next prime is 38813309. The reversal of 38813305 is 50331883.

38813305 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 38813305 - 2¹ = 38813303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38813303) 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 31 ways as a sum of consecutive naturals, for example, 232332 + ... + 232498.

It is an arithmetic number, because the mean of its divisors is an integer number (1596672).

Almost surely, 2^38813305 is an apocalyptic number.

It is an amenable number.

38813305 is a deficient number, since it is larger than the sum of its proper divisors (12280199).

38813305 is a wasteful number, since it uses less digits than its factorization.

38813305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 38813305 is about 6230.0325039280. The cubic root of 38813305 is about 338.5791484223.

The spelling of 38813305 in words is "thirty-eight million, eight hundred thirteen thousand, three hundred five".