99836493 has 4 divisors (see below), whose sum is σ = 133115328. Its totient is φ = 66557660.

The previous prime is 99836489. The next prime is 99836501. The reversal of 99836493 is 39463899.

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.

It is a cyclic number.

It is not a de Polignac number, because 99836493 - 2² = 99836489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99836423) 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, 16639413 + ... + 16639418.

It is an arithmetic number, because the mean of its divisors is an integer number (33278832).

Almost surely, 2^99836493 is an apocalyptic number.

It is an amenable number.

99836493 is a deficient number, since it is larger than the sum of its proper divisors (33278835).

99836493 is a wasteful number, since it uses less digits than its factorization.

99836493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33278834.

The product of its digits is 1259712, while the sum is 51.

The square root of 99836493 is about 9991.8213054478. The cubic root of 99836493 is about 463.9057679355.

The spelling of 99836493 in words is "ninety-nine million, eight hundred thirty-six thousand, four hundred ninety-three".