68399386 has 16 divisors (see below), whose sum is σ = 112129920. Its totient is φ = 31034080.

The previous prime is 68399363. The next prime is 68399389.

68399386 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (68399389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11055 + ... + 16093.

It is an arithmetic number, because the mean of its divisors is an integer number (7008120).

Almost surely, 2^68399386 is an apocalyptic number.

68399386 is a deficient number, since it is larger than the sum of its proper divisors (43730534).

68399386 is a wasteful number, since it uses less digits than its factorization.

68399386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669.

The product of its digits is 1679616, while the sum is 52.

The square root of 68399386 is about 8270.3921309694. The cubic root of 68399386 is about 408.9630468584.

The spelling of 68399386 in words is "sixty-eight million, three hundred ninety-nine thousand, three hundred eighty-six".