38382013 has 4 divisors (see below), whose sum is σ = 38907868. Its totient is φ = 37856160.

The previous prime is 38382011. The next prime is 38382031. The reversal of 38382013 is 31028383.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15705369 + 22676644 = 3963^2 + 4762^2 .

It is a cyclic number.

It is not a de Polignac number, because 38382013 - 2¹ = 38382011 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 (38382011) 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, 262818 + ... + 262963.

It is an arithmetic number, because the mean of its divisors is an integer number (9726967).

Almost surely, 2^38382013 is an apocalyptic number.

It is an amenable number.

38382013 is a deficient number, since it is larger than the sum of its proper divisors (525855).

38382013 is an equidigital number, since it uses as much as digits as its factorization.

38382013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525854.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 38382013 is about 6195.3218641165. The cubic root of 38382013 is about 337.3203814238.

The spelling of 38382013 in words is "thirty-eight million, three hundred eighty-two thousand, thirteen".