99984407 has 4 divisors (see below), whose sum is σ = 100304160. Its totient is φ = 99664656.

The previous prime is 99984383. The next prime is 99984413. The reversal of 99984407 is 70448999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70448999 = 37 ⋅1904027.

It is a cyclic number.

It is not a de Polignac number, because 99984407 - 2⁶ = 99984343 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 (99984457) 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, 159407 + ... + 160032.

It is an arithmetic number, because the mean of its divisors is an integer number (25076040).

Almost surely, 2^99984407 is an apocalyptic number.

99984407 is a deficient number, since it is larger than the sum of its proper divisors (319753).

99984407 is a wasteful number, since it uses less digits than its factorization.

99984407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319752.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 99984407 is about 9999.2203196049. The cubic root of 99984407 is about 464.1347566756.

The spelling of 99984407 in words is "ninety-nine million, nine hundred eighty-four thousand, four hundred seven".