99937243 has 8 divisors (see below), whose sum is σ = 114386688. Its totient is φ = 85530984.

The previous prime is 99937241. The next prime is 99937261. The reversal of 99937243 is 34273999.

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

It is not a de Polignac number, because 99937243 - 2¹ = 99937241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99937193 and 99937202.

It is not an unprimeable number, because it can be changed into a prime (99937241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5671 + ... + 15232.

It is an arithmetic number, because the mean of its divisors is an integer number (14298336).

Almost surely, 2^99937243 is an apocalyptic number.

99937243 is a deficient number, since it is larger than the sum of its proper divisors (14449445).

99937243 is a wasteful number, since it uses less digits than its factorization.

99937243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21593.

The product of its digits is 367416, while the sum is 46.

The square root of 99937243 is about 9996.8616575403. The cubic root of 99937243 is about 464.0617656456.

The spelling of 99937243 in words is "ninety-nine million, nine hundred thirty-seven thousand, two hundred forty-three".