104239587 has 8 divisors (see below), whose sum is σ = 139714560. Its totient is φ = 69128840.

The previous prime is 104239579. The next prime is 104239609. The reversal of 104239587 is 785932401.

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 104239587 - 2³ = 104239579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104239517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90387 + ... + 91532.

It is an arithmetic number, because the mean of its divisors is an integer number (17464320).

Almost surely, 2^104239587 is an apocalyptic number.

104239587 is a deficient number, since it is larger than the sum of its proper divisors (35474973).

104239587 is a wasteful number, since it uses less digits than its factorization.

104239587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182113.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 104239587 is about 10209.7789887930. The cubic root of 104239587 is about 470.6277818883.

The spelling of 104239587 in words is "one hundred four million, two hundred thirty-nine thousand, five hundred eighty-seven".