64683836 has 12 divisors (see below), whose sum is σ = 129367728. Its totient is φ = 27721632.

The previous prime is 64683823. The next prime is 64683841. The reversal of 64683836 is 63838646.

64683836 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155041 + ... + 1155096.

It is an arithmetic number, because the mean of its divisors is an integer number (10780644).

Almost surely, 2^64683836 is an apocalyptic number.

It is an amenable number.

64683836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64683836 is a wasteful number, since it uses less digits than its factorization.

64683836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310148 (or 2310146 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 64683836 is about 8042.6261880060. The cubic root of 64683836 is about 401.4196141124.

The spelling of 64683836 in words is "sixty-four million, six hundred eighty-three thousand, eight hundred thirty-six".