38886913 has 8 divisors (see below), whose sum is σ = 42469056. Its totient is φ = 35389200.

The previous prime is 38886893. The next prime is 38886923. The reversal of 38886913 is 31968883.

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 38886913 - 2⁹ = 38886401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38886923) 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, 20143 + ... + 21988.

It is an arithmetic number, because the mean of its divisors is an integer number (5308632).

Almost surely, 2^38886913 is an apocalyptic number.

It is an amenable number.

38886913 is a deficient number, since it is larger than the sum of its proper divisors (3582143).

38886913 is a wasteful number, since it uses less digits than its factorization.

38886913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42215.

The product of its digits is 248832, while the sum is 46.

The square root of 38886913 is about 6235.9372190554. The cubic root of 38886913 is about 338.7930475470.

It can be divided in two parts, 3888 and 6913, that added together give a palindrome (10801).

The spelling of 38886913 in words is "thirty-eight million, eight hundred eighty-six thousand, nine hundred thirteen".