99384539 has 4 divisors (see below), whose sum is σ = 99979824. Its totient is φ = 98789256.

The previous prime is 99384529. The next prime is 99384547. The reversal of 99384539 is 93548399.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99384539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99384529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297392 + ... + 297725.

It is an arithmetic number, because the mean of its divisors is an integer number (24994956).

Almost surely, 2^99384539 is an apocalyptic number.

99384539 is a deficient number, since it is larger than the sum of its proper divisors (595285).

99384539 is a wasteful number, since it uses less digits than its factorization.

99384539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595284.

The product of its digits is 1049760, while the sum is 50.

The square root of 99384539 is about 9969.1794546994. The cubic root of 99384539 is about 463.2046841326.

The spelling of 99384539 in words is "ninety-nine million, three hundred eighty-four thousand, five hundred thirty-nine".