99442499 has 8 divisors (see below), whose sum is σ = 107259600. Its totient is φ = 91649376.

The previous prime is 99442481. The next prime is 99442517. The reversal of 99442499 is 99424499.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99442481) and next prime (99442517).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99442499 - 2⁸ = 99442243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99442429) 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 7 ways as a sum of consecutive naturals, for example, 3152 + ... + 14450.

It is an arithmetic number, because the mean of its divisors is an integer number (13407450).

Almost surely, 2^99442499 is an apocalyptic number.

99442499 is a deficient number, since it is larger than the sum of its proper divisors (7817101).

99442499 is a wasteful number, since it uses less digits than its factorization.

99442499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11989.

The product of its digits is 839808, while the sum is 50.

The square root of 99442499 is about 9972.0859904034. The cubic root of 99442499 is about 463.2947119727.

The spelling of 99442499 in words is "ninety-nine million, four hundred forty-two thousand, four hundred ninety-nine".