99784226 has 8 divisors (see below), whose sum is σ = 154504704. Its totient is φ = 48282660.

The previous prime is 99784207. The next prime is 99784229. The reversal of 99784226 is 62248799.

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

It is not an unprimeable number, because it can be changed into a prime (99784229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804650 + ... + 804773.

It is an arithmetic number, because the mean of its divisors is an integer number (19313088).

Almost surely, 2^99784226 is an apocalyptic number.

99784226 is a deficient number, since it is larger than the sum of its proper divisors (54720478).

99784226 is a wasteful number, since it uses less digits than its factorization.

99784226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609456.

The product of its digits is 435456, while the sum is 47.

The square root of 99784226 is about 9989.2054739103. The cubic root of 99784226 is about 463.8247982267.

The spelling of 99784226 in words is "ninety-nine million, seven hundred eighty-four thousand, two hundred twenty-six".