99409367 has 4 divisors (see below), whose sum is σ = 99822096. Its totient is φ = 98996640.

The previous prime is 99409327. The next prime is 99409369. The reversal of 99409367 is 76390499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76390499 = 383 ⋅199453.

It is a cyclic number.

It is not a de Polignac number, because 99409367 - 2¹⁰ = 99408343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99409369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206003 + ... + 206484.

It is an arithmetic number, because the mean of its divisors is an integer number (24955524).

Almost surely, 2^99409367 is an apocalyptic number.

99409367 is a deficient number, since it is larger than the sum of its proper divisors (412729).

99409367 is a wasteful number, since it uses less digits than its factorization.

99409367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412728.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 99409367 is about 9970.4246148296. The cubic root of 99409367 is about 463.2432531376.

The spelling of 99409367 in words is "ninety-nine million, four hundred nine thousand, three hundred sixty-seven".