64287039 has 8 divisors (see below), whose sum is σ = 87333552. Its totient is φ = 42049280.

The previous prime is 64287031. The next prime is 64287043. The reversal of 64287039 is 93078246.

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

It is a cyclic number.

It is not a de Polignac number, because 64287039 - 2³ = 64287031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64286988 and 64287006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64287031) 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, 202002 + ... + 202319.

It is an arithmetic number, because the mean of its divisors is an integer number (10916694).

Almost surely, 2^64287039 is an apocalyptic number.

64287039 is a deficient number, since it is larger than the sum of its proper divisors (23046513).

64287039 is a wasteful number, since it uses less digits than its factorization.

64287039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404377.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 64287039 is about 8017.9198673970. The cubic root of 64287039 is about 400.5971061338.

The spelling of 64287039 in words is "sixty-four million, two hundred eighty-seven thousand, thirty-nine".