99533949 has 16 divisors (see below), whose sum is σ = 141706752. Its totient is φ = 61993008.

The previous prime is 99533909. The next prime is 99533957. The reversal of 99533949 is 94933599.

It is a happy number.

It is not a de Polignac number, because 99533949 - 2⁹ = 99533437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99533909) 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 15 ways as a sum of consecutive naturals, for example, 13807 + ... + 19740.

It is an arithmetic number, because the mean of its divisors is an integer number (8856672).

Almost surely, 2^99533949 is an apocalyptic number.

It is an amenable number.

99533949 is a deficient number, since it is larger than the sum of its proper divisors (42172803).

99533949 is a wasteful number, since it uses less digits than its factorization.

99533949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33616.

The product of its digits is 1180980, while the sum is 51.

The square root of 99533949 is about 9976.6702361058. The cubic root of 99533949 is about 463.4366878910.

The spelling of 99533949 in words is "ninety-nine million, five hundred thirty-three thousand, nine hundred forty-nine".