64023985 has 8 divisors (see below), whose sum is σ = 77547456. Its totient is φ = 50740080.

The previous prime is 64023979. The next prime is 64023991. The reversal of 64023985 is 58932046.

It is an interprime number because it is at equal distance from previous prime (64023979) and next prime (64023991).

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

It is not a de Polignac number, because 64023985 - 2⁷ = 64023857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59301 + ... + 60370.

It is an arithmetic number, because the mean of its divisors is an integer number (9693432).

Almost surely, 2^64023985 is an apocalyptic number.

It is an amenable number.

64023985 is a deficient number, since it is larger than the sum of its proper divisors (13523471).

64023985 is a wasteful number, since it uses less digits than its factorization.

64023985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119783.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 64023985 is about 8001.4989220770. The cubic root of 64023985 is about 400.0499625091.

The spelling of 64023985 in words is "sixty-four million, twenty-three thousand, nine hundred eighty-five".