64283689 has 8 divisors (see below), whose sum is σ = 68892480. Its totient is φ = 59826096.

The previous prime is 64283671. The next prime is 64283693. The reversal of 64283689 is 98638246.

It is a happy number.

64283689 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 cyclic number.

It is not a de Polignac number, because 64283689 - 2⁵ = 64283657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64283189) 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 7 ways as a sum of consecutive naturals, for example, 36919 + ... + 38620.

It is an arithmetic number, because the mean of its divisors is an integer number (8611560).

Almost surely, 2^64283689 is an apocalyptic number.

It is an amenable number.

64283689 is a deficient number, since it is larger than the sum of its proper divisors (4608791).

64283689 is a wasteful number, since it uses less digits than its factorization.

64283689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75599.

The product of its digits is 497664, while the sum is 46.

The square root of 64283689 is about 8017.7109576238. The cubic root of 64283689 is about 400.5901476362.

The spelling of 64283689 in words is "sixty-four million, two hundred eighty-three thousand, six hundred eighty-nine".