38385005 has 4 divisors (see below), whose sum is σ = 46062012. Its totient is φ = 30708000.

The previous prime is 38385001. The next prime is 38385013. The reversal of 38385005 is 50058383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50058383 = 991 ⋅50513.

It can be written as a sum of positive squares in 2 ways, for example, as 5368489 + 33016516 = 2317^2 + 5746^2 .

It is not a de Polignac number, because 38385005 - 2² = 38385001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38385001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3838496 + ... + 3838505.

It is an arithmetic number, because the mean of its divisors is an integer number (11515503).

Almost surely, 2^38385005 is an apocalyptic number.

It is an amenable number.

38385005 is a deficient number, since it is larger than the sum of its proper divisors (7677007).

38385005 is an equidigital number, since it uses as much as digits as its factorization.

38385005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677006.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 38385005 is about 6195.5633319336. The cubic root of 38385005 is about 337.3291462617.

The spelling of 38385005 in words is "thirty-eight million, three hundred eighty-five thousand, five".