99493983 has 24 divisors (see below), whose sum is σ = 150153120. Its totient is φ = 63403200.

The previous prime is 99493981. The next prime is 99493987. The reversal of 99493983 is 38939499.

It is not a de Polignac number, because 99493983 - 2¹ = 99493981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99493981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25033 + ... + 28733.

It is an arithmetic number, because the mean of its divisors is an integer number (6256380).

Almost surely, 2^99493983 is an apocalyptic number.

99493983 is a deficient number, since it is larger than the sum of its proper divisors (50659137).

99493983 is a wasteful number, since it uses less digits than its factorization.

99493983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839 (or 3836 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 99493983 is about 9974.6670621129. The cubic root of 99493983 is about 463.3746514689.

The spelling of 99493983 in words is "ninety-nine million, four hundred ninety-three thousand, nine hundred eighty-three".