1004287239 has 12 divisors (see below), whose sum is σ = 1451207472. Its totient is φ = 669261600.

The previous prime is 1004287217. The next prime is 1004287283. The reversal of 1004287239 is 9327824001.

It is not a de Polignac number, because 1004287239 - 2⁹ = 1004286727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004287289) 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 11 ways as a sum of consecutive naturals, for example, 3819 + ... + 44979.

It is an arithmetic number, because the mean of its divisors is an integer number (120933956).

Almost surely, 2^1004287239 is an apocalyptic number.

1004287239 is a deficient number, since it is larger than the sum of its proper divisors (446920233).

1004287239 is a wasteful number, since it uses less digits than its factorization.

1004287239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43878 (or 43875 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1004287239 is about 31690.4913025974. The cubic root of 1004287239 is about 1001.4270422484.

The spelling of 1004287239 in words is "one billion, four million, two hundred eighty-seven thousand, two hundred thirty-nine".