64238708 has 6 divisors (see below), whose sum is σ = 112417746. Its totient is φ = 32119352.

The previous prime is 64238693. The next prime is 64238717. The reversal of 64238708 is 80783246.

64238708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 60808804 + 3429904 = 7798^2 + 1852^2 .

It is a super-2 number, since 2×64238708² = 8253223211018528, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 8029835 + ... + 8029842.

It is an arithmetic number, because the mean of its divisors is an integer number (18736291).

Almost surely, 2^64238708 is an apocalyptic number.

It is an amenable number.

64238708 is a deficient number, since it is larger than the sum of its proper divisors (48179038).

64238708 is a wasteful number, since it uses less digits than its factorization.

64238708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16059681 (or 16059679 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 64238708 is about 8014.9053643820. The cubic root of 64238708 is about 400.4966913224.

It can be divided in two parts, 64238 and 708, that added together give a palindrome (64946).

The spelling of 64238708 in words is "sixty-four million, two hundred thirty-eight thousand, seven hundred eight".