64860208 has 40 divisors (see below), whose sum is σ = 145604768. Its totient is φ = 27412992.

The previous prime is 64860193. The next prime is 64860209. The reversal of 64860208 is 80206846.

64860208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64860209) 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, 4210 + ... + 12142.

Almost surely, 2^64860208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64860208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72802384).

64860208 is an abundant number, since it is smaller than the sum of its proper divisors (80744560).

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

64860208 is a wasteful number, since it uses less digits than its factorization.

64860208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8021 (or 8015 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 64860208 is about 8053.5835501968. The cubic root of 64860208 is about 401.7841303656.

The spelling of 64860208 in words is "sixty-four million, eight hundred sixty thousand, two hundred eight".