38613986 has 8 divisors (see below), whose sum is σ = 57980880. Its totient is φ = 19287028.

The previous prime is 38613983. The next prime is 38614019. The reversal of 38613986 is 68931683.

38613986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (38613983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7436 + ... + 11511.

It is an arithmetic number, because the mean of its divisors is an integer number (7247610).

Almost surely, 2^38613986 is an apocalyptic number.

38613986 is a deficient number, since it is larger than the sum of its proper divisors (19366894).

38613986 is a wasteful number, since it uses less digits than its factorization.

38613986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19968.

The product of its digits is 186624, while the sum is 44.

The square root of 38613986 is about 6214.0152880404. The cubic root of 38613986 is about 337.9985819765.

The spelling of 38613986 in words is "thirty-eight million, six hundred thirteen thousand, nine hundred eighty-six".