38656911 has 8 divisors (see below), whose sum is σ = 51574320. Its totient is φ = 25755392.

The previous prime is 38656903. The next prime is 38656927. The reversal of 38656911 is 11965683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38656911 - 2³ = 38656903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38656911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38656711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3985 + ... + 9653.

It is an arithmetic number, because the mean of its divisors is an integer number (6446790).

Almost surely, 2^38656911 is an apocalyptic number.

38656911 is a deficient number, since it is larger than the sum of its proper divisors (12917409).

38656911 is a wasteful number, since it uses less digits than its factorization.

38656911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7945.

The product of its digits is 38880, while the sum is 39.

The square root of 38656911 is about 6217.4682146353. The cubic root of 38656911 is about 338.1237802774.

The spelling of 38656911 in words is "thirty-eight million, six hundred fifty-six thousand, nine hundred eleven".