64039814 has 8 divisors (see below), whose sum is σ = 98293800. Its totient is φ = 31275216.

The previous prime is 64039783. The next prime is 64039819. The reversal of 64039814 is 41893046.

64039814 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 a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64039819) by changing a digit.

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, 372239 + ... + 372410.

It is an arithmetic number, because the mean of its divisors is an integer number (12286725).

Almost surely, 2^64039814 is an apocalyptic number.

64039814 is a deficient number, since it is larger than the sum of its proper divisors (34253986).

64039814 is a wasteful number, since it uses less digits than its factorization.

64039814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744694.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 64039814 is about 8002.4879881197. The cubic root of 64039814 is about 400.0829286392.

The spelling of 64039814 in words is "sixty-four million, thirty-nine thousand, eight hundred fourteen".