64086321 has 24 divisors (see below), whose sum is σ = 94814496. Its totient is φ = 38463360.

The previous prime is 64086313. The next prime is 64086329. The reversal of 64086321 is 12368046.

64086321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64086313) and next prime (64086329).

It is not a de Polignac number, because 64086321 - 2³ = 64086313 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (64086329) 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 23 ways as a sum of consecutive naturals, for example, 19246 + ... + 22328.

It is an arithmetic number, because the mean of its divisors is an integer number (3950604).

Almost surely, 2^64086321 is an apocalyptic number.

It is an amenable number.

64086321 is a deficient number, since it is larger than the sum of its proper divisors (30728175).

64086321 is a wasteful number, since it uses less digits than its factorization.

64086321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153 (or 3140 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 64086321 is about 8005.3932445571. The cubic root of 64086321 is about 400.1797546253.

The spelling of 64086321 in words is "sixty-four million, eighty-six thousand, three hundred twenty-one".