64285915 has 8 divisors (see below), whose sum is σ = 77299488. Its totient is φ = 51324480.

The previous prime is 64285853. The next prime is 64285919. The reversal of 64285915 is 51958246.

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

It is not a de Polignac number, because 64285915 - 2⁷ = 64285787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64285919) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10266 + ... + 15295.

It is an arithmetic number, because the mean of its divisors is an integer number (9662436).

Almost surely, 2^64285915 is an apocalyptic number.

64285915 is a deficient number, since it is larger than the sum of its proper divisors (13013573).

64285915 is a wasteful number, since it uses less digits than its factorization.

64285915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26069.

The product of its digits is 86400, while the sum is 40.

The square root of 64285915 is about 8017.8497740978. The cubic root of 64285915 is about 400.5947714290.

The spelling of 64285915 in words is "sixty-four million, two hundred eighty-five thousand, nine hundred fifteen".