99837243 has 48 divisors (see below), whose sum is σ = 168176736. Its totient is φ = 56401920.

The previous prime is 99837223. The next prime is 99837251. The reversal of 99837243 is 34273899.

It is a happy number.

It is not a de Polignac number, because 99837243 - 2⁸ = 99836987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99837223) 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 47 ways as a sum of consecutive naturals, for example, 230355 + ... + 230787.

It is an arithmetic number, because the mean of its divisors is an integer number (3503682).

Almost surely, 2^99837243 is an apocalyptic number.

99837243 is a deficient number, since it is larger than the sum of its proper divisors (68339493).

99837243 is a wasteful number, since it uses less digits than its factorization.

99837243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 601 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 99837243 is about 9991.8588360725. The cubic root of 99837243 is about 463.9069295964.

The spelling of 99837243 in words is "ninety-nine million, eight hundred thirty-seven thousand, two hundred forty-three".