99986328 has 48 divisors (see below), whose sum is σ = 291629520. Its totient is φ = 30764736.

The previous prime is 99986279. The next prime is 99986329. The reversal of 99986328 is 82368999.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99986329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52476 + ... + 54347.

It is an arithmetic number, because the mean of its divisors is an integer number (6075615).

Almost surely, 2^99986328 is an apocalyptic number.

It is an amenable number.

99986328 is an abundant number, since it is smaller than the sum of its proper divisors (191643192).

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

99986328 is a wasteful number, since it uses less digits than its factorization.

99986328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106848 (or 106841 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 99986328 is about 9999.3163766330. The cubic root of 99986328 is about 464.1377291297.

The spelling of 99986328 in words is "ninety-nine million, nine hundred eighty-six thousand, three hundred twenty-eight".