64448386 has 8 divisors (see below), whose sum is σ = 97095420. Its totient is φ = 32083248.

The previous prime is 64448383. The next prime is 64448389. The reversal of 64448386 is 68384446.

It is an interprime number because it is at equal distance from previous prime (64448383) and next prime (64448389).

It can be written as a sum of positive squares in 2 ways, for example, as 45360225 + 19088161 = 6735^2 + 4369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (64448383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69901 + ... + 70816.

Almost surely, 2^64448386 is an apocalyptic number.

64448386 is a deficient number, since it is larger than the sum of its proper divisors (32647034).

64448386 is a wasteful number, since it uses less digits than its factorization.

64448386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140948.

The product of its digits is 442368, while the sum is 43.

The square root of 64448386 is about 8027.9752117206. The cubic root of 64448386 is about 400.9319644194.

The spelling of 64448386 in words is "sixty-four million, four hundred forty-eight thousand, three hundred eighty-six".