38388043 has 4 divisors (see below), whose sum is σ = 38479648. Its totient is φ = 38296440.

The previous prime is 38388029. The next prime is 38388061. The reversal of 38388043 is 34088383.

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 38388043 - 2¹³ = 38379851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38387993 and 38388011.

It is not an unprimeable number, because it can be changed into a prime (38388073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45171 + ... + 46012.

It is an arithmetic number, because the mean of its divisors is an integer number (9619912).

Almost surely, 2^38388043 is an apocalyptic number.

38388043 is a deficient number, since it is larger than the sum of its proper divisors (91605).

38388043 is an equidigital number, since it uses as much as digits as its factorization.

38388043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91604.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 38388043 is about 6195.8085025281. The cubic root of 38388043 is about 337.3380453870.

It can be divided in two parts, 3838 and 8043, that added together give a square (11881 = 109²).

The spelling of 38388043 in words is "thirty-eight million, three hundred eighty-eight thousand, forty-three".