99004587 has 16 divisors (see below), whose sum is σ = 144260352. Its totient is φ = 59897120.

The previous prime is 99004559. The next prime is 99004603. The reversal of 99004587 is 78540099.

It is a cyclic number.

It is not a de Polignac number, because 99004587 - 2⁶ = 99004523 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (99004387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19033 + ... + 23669.

It is an arithmetic number, because the mean of its divisors is an integer number (9016272).

Almost surely, 2^99004587 is an apocalyptic number.

99004587 is a deficient number, since it is larger than the sum of its proper divisors (45255765).

99004587 is a wasteful number, since it uses less digits than its factorization.

99004587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 99004587 is about 9950.1048738192. The cubic root of 99004587 is about 462.6136455083.

The spelling of 99004587 in words is "ninety-nine million, four thousand, five hundred eighty-seven".