38005923 has 4 divisors (see below), whose sum is σ = 50674568. Its totient is φ = 25337280.

The previous prime is 38005901. The next prime is 38005943. The reversal of 38005923 is 32950083.

It is a happy number.

38005923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38005923 - 2⁶ = 38005859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38005943) 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 3 ways as a sum of consecutive naturals, for example, 6334318 + ... + 6334323.

It is an arithmetic number, because the mean of its divisors is an integer number (12668642).

Almost surely, 2^38005923 is an apocalyptic number.

38005923 is a deficient number, since it is larger than the sum of its proper divisors (12668645).

38005923 is a wasteful number, since it uses less digits than its factorization.

38005923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668644.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 38005923 is about 6164.8944029886. The cubic root of 38005923 is about 336.2150072990.

The spelling of 38005923 in words is "thirty-eight million, five thousand, nine hundred twenty-three".