99200649 has 16 divisors (see below), whose sum is σ = 134831552. Its totient is φ = 64862208.

The previous prime is 99200641. The next prime is 99200657. The reversal of 99200649 is 94600299.

It is an interprime number because it is at equal distance from previous prime (99200641) and next prime (99200657).

It is not a de Polignac number, because 99200649 - 2³ = 99200641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99200641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41094 + ... + 43440.

It is an arithmetic number, because the mean of its divisors is an integer number (8426972).

Almost surely, 2^99200649 is an apocalyptic number.

It is an amenable number.

99200649 is a deficient number, since it is larger than the sum of its proper divisors (35630903).

99200649 is a wasteful number, since it uses less digits than its factorization.

99200649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 99200649 is about 9959.9522589217. The cubic root of 99200649 is about 462.9188204247.

The spelling of 99200649 in words is "ninety-nine million, two hundred thousand, six hundred forty-nine".