99243015 has 16 divisors (see below), whose sum is σ = 161481600. Its totient is φ = 52032032.

The previous prime is 99242993. The next prime is 99243031. The reversal of 99243015 is 51034299.

It is a cyclic number.

It is not a de Polignac number, because 99243015 - 2¹⁹ = 98718727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55185 + ... + 56954.

It is an arithmetic number, because the mean of its divisors is an integer number (10092600).

Almost surely, 2^99243015 is an apocalyptic number.

99243015 is a deficient number, since it is larger than the sum of its proper divisors (62238585).

99243015 is a wasteful number, since it uses less digits than its factorization.

99243015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112206.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 99243015 is about 9962.0788493165. The cubic root of 99243015 is about 462.9847112150.

The spelling of 99243015 in words is "ninety-nine million, two hundred forty-three thousand, fifteen".