99984270 has 32 divisors (see below), whose sum is σ = 252593280. Its totient is φ = 25259040.

The previous prime is 99984253. The next prime is 99984271. The reversal of 99984270 is 7248999.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99984271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87136 + ... + 88275.

It is an arithmetic number, because the mean of its divisors is an integer number (7893540).

Almost surely, 2^99984270 is an apocalyptic number.

99984270 is an abundant number, since it is smaller than the sum of its proper divisors (152609010).

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

99984270 is a wasteful number, since it uses less digits than its factorization.

99984270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175440.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 99984270 is about 9999.2134690685. The cubic root of 99984270 is about 464.1345446876.

The spelling of 99984270 in words is "ninety-nine million, nine hundred eighty-four thousand, two hundred seventy".