38648711 has 4 divisors (see below), whose sum is σ = 39471072. Its totient is φ = 37826352.

The previous prime is 38648707. The next prime is 38648737. The reversal of 38648711 is 11784683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11784683 = 349 ⋅33767.

It is not a de Polignac number, because 38648711 - 2² = 38648707 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 (38648741) 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, 411110 + ... + 411203.

It is an arithmetic number, because the mean of its divisors is an integer number (9867768).

Almost surely, 2^38648711 is an apocalyptic number.

38648711 is a deficient number, since it is larger than the sum of its proper divisors (822361).

38648711 is an equidigital number, since it uses as much as digits as its factorization.

38648711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822360.

The product of its digits is 32256, while the sum is 38.

The square root of 38648711 is about 6216.8087472593. The cubic root of 38648711 is about 338.0998707013.

The spelling of 38648711 in words is "thirty-eight million, six hundred forty-eight thousand, seven hundred eleven".