64238986 has 8 divisors (see below), whose sum is σ = 110124000. Its totient is φ = 27530988.

The previous prime is 64238963. The next prime is 64239001. The reversal of 64238986 is 68983246.

It is a happy number.

64238986 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 an unprimeable number.

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, 2294236 + ... + 2294263.

It is an arithmetic number, because the mean of its divisors is an integer number (13765500).

Almost surely, 2^64238986 is an apocalyptic number.

64238986 is a deficient number, since it is larger than the sum of its proper divisors (45885014).

64238986 is a wasteful number, since it uses less digits than its factorization.

64238986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588508.

The product of its digits is 497664, while the sum is 46.

The square root of 64238986 is about 8014.9227070509. The cubic root of 64238986 is about 400.4972690526.

The spelling of 64238986 in words is "sixty-four million, two hundred thirty-eight thousand, nine hundred eighty-six".