99243955 has 8 divisors (see below), whose sum is σ = 120186000. Its totient is φ = 78666336.

The previous prime is 99243923. The next prime is 99243967. The reversal of 99243955 is 55934299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99243955 - 2⁵ = 99243923 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 90505 + ... + 91594.

It is an arithmetic number, because the mean of its divisors is an integer number (15023250).

Almost surely, 2^99243955 is an apocalyptic number.

99243955 is a deficient number, since it is larger than the sum of its proper divisors (20942045).

99243955 is a wasteful number, since it uses less digits than its factorization.

99243955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182213.

The product of its digits is 437400, while the sum is 46.

The square root of 99243955 is about 9962.1260281127. The cubic root of 99243955 is about 462.9861729610.

The spelling of 99243955 in words is "ninety-nine million, two hundred forty-three thousand, nine hundred fifty-five".