64104256 has 14 divisors (see below), whose sum is σ = 127207010. Its totient is φ = 32052096.

The previous prime is 64104251. The next prime is 64104269. The reversal of 64104256 is 65240146.

It can be written as a sum of positive squares in only one way, i.e., 63744256 + 360000 = 7984^2 + 600^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64104251) 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 as a sum of consecutive naturals, namely, 500751 + ... + 500878.

It is an arithmetic number, because the mean of its divisors is an integer number (9086215).

Almost surely, 2^64104256 is an apocalyptic number.

It is an amenable number.

64104256 is a deficient number, since it is larger than the sum of its proper divisors (63102754).

64104256 is a wasteful number, since it uses less digits than its factorization.

64104256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001641 (or 1001631 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 64104256 is about 8006.5133485182. The cubic root of 64104256 is about 400.2170821670.

The spelling of 64104256 in words is "sixty-four million, one hundred four thousand, two hundred fifty-six".