99500589 has 16 divisors (see below), whose sum is σ = 147585600. Its totient is φ = 66253968.

The previous prime is 99500573. The next prime is 99500591. The reversal of 99500589 is 98500599.

99500589 is a `hidden beast` number, since 99 + 500 + 58 + 9 = 666.

It is not a de Polignac number, because 99500589 - 2⁴ = 99500573 is a prime.

It is a super-2 number, since 2×99500589² = 19800734422693842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99500519) 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, 28282 + ... + 31604.

It is an arithmetic number, because the mean of its divisors is an integer number (9224100).

Almost surely, 2^99500589 is an apocalyptic number.

It is an amenable number.

99500589 is a deficient number, since it is larger than the sum of its proper divisors (48085011).

99500589 is a wasteful number, since it uses less digits than its factorization.

99500589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The square root of 99500589 is about 9974.9981954886. The cubic root of 99500589 is about 463.3849066458.

The spelling of 99500589 in words is "ninety-nine million, five hundred thousand, five hundred eighty-nine".