99963249 has 4 divisors (see below), whose sum is σ = 133284336. Its totient is φ = 66642164.

The previous prime is 99963217. The next prime is 99963271. The reversal of 99963249 is 94236999.

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: 94236999 = 3 ⋅31412333.

It is a cyclic number.

It is not a de Polignac number, because 99963249 - 2⁵ = 99963217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99963209) 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, 16660539 + ... + 16660544.

It is an arithmetic number, because the mean of its divisors is an integer number (33321084).

Almost surely, 2^99963249 is an apocalyptic number.

It is an amenable number.

99963249 is a deficient number, since it is larger than the sum of its proper divisors (33321087).

99963249 is a wasteful number, since it uses less digits than its factorization.

99963249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33321086.

The product of its digits is 944784, while the sum is 51.

The square root of 99963249 is about 9998.1622811395. The cubic root of 99963249 is about 464.1020153838.

The spelling of 99963249 in words is "ninety-nine million, nine hundred sixty-three thousand, two hundred forty-nine".