64641298 has 8 divisors (see below), whose sum is σ = 99217008. Its totient is φ = 31568964.

The previous prime is 64641263. The next prime is 64641299. The reversal of 64641298 is 89214646.

64641298 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 self number, because there is not a number n which added to its sum of digits gives 64641298.

It is not an unprimeable number, because it can be changed into a prime (64641299) 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, 375736 + ... + 375907.

It is an arithmetic number, because the mean of its divisors is an integer number (12402126).

Almost surely, 2^64641298 is an apocalyptic number.

64641298 is a deficient number, since it is larger than the sum of its proper divisors (34575710).

64641298 is a wasteful number, since it uses less digits than its factorization.

64641298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751688.

The product of its digits is 82944, while the sum is 40.

The square root of 64641298 is about 8039.9812188835. The cubic root of 64641298 is about 401.3315996867.

The spelling of 64641298 in words is "sixty-four million, six hundred forty-one thousand, two hundred ninety-eight".