99183481 has 4 divisors (see below), whose sum is σ = 99478132. Its totient is φ = 98888832.

The previous prime is 99183449. The next prime is 99183493. The reversal of 99183481 is 18438199.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32205625 + 66977856 = 5675^2 + 8184^2 .

It is a cyclic number.

It is not a de Polignac number, because 99183481 - 2⁵ = 99183449 is a prime.

It is a super-2 number, since 2×99183481² = 19674725806554722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99183431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146820 + ... + 147493.

It is an arithmetic number, because the mean of its divisors is an integer number (24869533).

Almost surely, 2^99183481 is an apocalyptic number.

It is an amenable number.

99183481 is a deficient number, since it is larger than the sum of its proper divisors (294651).

99183481 is a wasteful number, since it uses less digits than its factorization.

99183481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294650.

The product of its digits is 62208, while the sum is 43.

The square root of 99183481 is about 9959.0903701091. The cubic root of 99183481 is about 462.8921141181.

The spelling of 99183481 in words is "ninety-nine million, one hundred eighty-three thousand, four hundred eighty-one".