38240713 has 4 divisors (see below), whose sum is σ = 43703680. Its totient is φ = 32777748.

The previous prime is 38240687. The next prime is 38240729. The reversal of 38240713 is 31704283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31704283 = 13 ⋅2438791.

It is a cyclic number.

It is not a de Polignac number, because 38240713 - 2²⁵ = 4686281 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (38240753) 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, 2731473 + ... + 2731486.

It is an arithmetic number, because the mean of its divisors is an integer number (10925920).

Almost surely, 2^38240713 is an apocalyptic number.

It is an amenable number.

38240713 is a deficient number, since it is larger than the sum of its proper divisors (5462967).

38240713 is an equidigital number, since it uses as much as digits as its factorization.

38240713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462966.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 38240713 is about 6183.9075833974. The cubic root of 38240713 is about 336.9059339993.

Adding to 38240713 its reverse (31704283), we get a palindrome (69944996).

The spelling of 38240713 in words is "thirty-eight million, two hundred forty thousand, seven hundred thirteen".