64859814 has 12 divisors (see below), whose sum is σ = 140529636. Its totient is φ = 21619932.

The previous prime is 64859801. The next prime is 64859833. The reversal of 64859814 is 41895846.

64859814 is a `hidden beast` number, since 6 + 48 + 598 + 14 = 666.

It is a super-2 number, since 2×64859814² = 8413590944229192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64859814.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1801644 + ... + 1801679.

It is an arithmetic number, because the mean of its divisors is an integer number (11710803).

Almost surely, 2^64859814 is an apocalyptic number.

64859814 is an abundant number, since it is smaller than the sum of its proper divisors (75669822).

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

64859814 is a wasteful number, since it uses less digits than its factorization.

64859814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603331 (or 3603328 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 64859814 is about 8053.5590889991. The cubic root of 64859814 is about 401.7833168043.

The spelling of 64859814 in words is "sixty-four million, eight hundred fifty-nine thousand, eight hundred fourteen".