38787423 has 4 divisors (see below), whose sum is σ = 51716568. Its totient is φ = 25858280.

The previous prime is 38787401. The next prime is 38787443. The reversal of 38787423 is 32478783.

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

It is a cyclic number.

It is not a de Polignac number, because 38787423 - 2⁵ = 38787391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38787443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6464568 + ... + 6464573.

It is an arithmetic number, because the mean of its divisors is an integer number (12929142).

Almost surely, 2^38787423 is an apocalyptic number.

38787423 is a deficient number, since it is larger than the sum of its proper divisors (12929145).

38787423 is a wasteful number, since it uses less digits than its factorization.

38787423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12929144.

The product of its digits is 225792, while the sum is 42.

The square root of 38787423 is about 6227.9549613015. The cubic root of 38787423 is about 338.5038730832.

The spelling of 38787423 in words is "thirty-eight million, seven hundred eighty-seven thousand, four hundred twenty-three".