99939833 has 4 divisors (see below), whose sum is σ = 114216960. Its totient is φ = 85662708.

The previous prime is 99939797. The next prime is 99939841. The reversal of 99939833 is 33893999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33893999 = 241 ⋅140639.

It is a cyclic number.

It is not a de Polignac number, because 99939833 - 2¹⁴ = 99923449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99939863) 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 3 ways as a sum of consecutive naturals, for example, 7138553 + ... + 7138566.

It is an arithmetic number, because the mean of its divisors is an integer number (28554240).

Almost surely, 2^99939833 is an apocalyptic number.

It is an amenable number.

99939833 is a deficient number, since it is larger than the sum of its proper divisors (14277127).

99939833 is a wasteful number, since it uses less digits than its factorization.

99939833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14277126.

The product of its digits is 1417176, while the sum is 53.

The square root of 99939833 is about 9996.9911973553. The cubic root of 99939833 is about 464.0657745267.

The spelling of 99939833 in words is "ninety-nine million, nine hundred thirty-nine thousand, eight hundred thirty-three".