38247986 has 16 divisors (see below), whose sum is σ = 67683840. Its totient is φ = 15863040.

The previous prime is 38247983. The next prime is 38248019. The reversal of 38247986 is 68974283.

38247986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38247986.

It is not an unprimeable number, because it can be changed into a prime (38247983) 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 7 ways as a sum of consecutive naturals, for example, 43631 + ... + 44498.

It is an arithmetic number, because the mean of its divisors is an integer number (4230240).

Almost surely, 2^38247986 is an apocalyptic number.

38247986 is a deficient number, since it is larger than the sum of its proper divisors (29435854).

38247986 is a wasteful number, since it uses less digits than its factorization.

38247986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88169.

The product of its digits is 580608, while the sum is 47.

The square root of 38247986 is about 6184.4956140335. The cubic root of 38247986 is about 336.9272913550.

The spelling of 38247986 in words is "thirty-eight million, two hundred forty-seven thousand, nine hundred eighty-six".