99784062 has 64 divisors (see below), whose sum is σ = 256627200. Its totient is φ = 28500984.

The previous prime is 99784049. The next prime is 99784073. The reversal of 99784062 is 26048799.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 99783999 and 99784017.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 28989 + ... + 32247.

It is an arithmetic number, because the mean of its divisors is an integer number (4009800).

Almost surely, 2^99784062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99784062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128313600).

99784062 is an abundant number, since it is smaller than the sum of its proper divisors (156843138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99784062 is an equidigital number, since it uses as much as digits as its factorization.

99784062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289 (or 3271 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 99784062 is about 9989.1972650459. The cubic root of 99784062 is about 463.8245441207.

The spelling of 99784062 in words is "ninety-nine million, seven hundred eighty-four thousand, sixty-two".