98999933 has 4 divisors (see below), whose sum is σ = 99038940. Its totient is φ = 98960928.

The previous prime is 98999917. The next prime is 98999963. The reversal of 98999933 is 33999989.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89624089 + 9375844 = 9467^2 + 3062^2 .

It is a cyclic number.

It is not a de Polignac number, because 98999933 - 2⁴ = 98999917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98999903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15410 + ... + 20867.

It is an arithmetic number, because the mean of its divisors is an integer number (24759735).

Almost surely, 2^98999933 is an apocalyptic number.

It is an amenable number.

98999933 is a deficient number, since it is larger than the sum of its proper divisors (39007).

98999933 is a wasteful number, since it uses less digits than its factorization.

98999933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39006.

The product of its digits is 4251528, while the sum is 59.

The square root of 98999933 is about 9949.8710041889. The cubic root of 98999933 is about 462.6063965592.

The spelling of 98999933 in words is "ninety-eight million, nine hundred ninety-nine thousand, nine hundred thirty-three".