99984291 has 32 divisors (see below), whose sum is σ = 149817600. Its totient is φ = 58798080.

The previous prime is 99984277. The next prime is 99984319. The reversal of 99984291 is 19248999.

It is a happy number.

It is not a de Polignac number, because 99984291 - 2¹¹ = 99982243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99984211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172995 + ... + 173571.

It is an arithmetic number, because the mean of its divisors is an integer number (4681800).

Almost surely, 2^99984291 is an apocalyptic number.

99984291 is a deficient number, since it is larger than the sum of its proper divisors (49833309).

99984291 is a wasteful number, since it uses less digits than its factorization.

99984291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its digits is 419904, while the sum is 51.

The square root of 99984291 is about 9999.2145191510. The cubic root of 99984291 is about 464.1345771822.

The spelling of 99984291 in words is "ninety-nine million, nine hundred eighty-four thousand, two hundred ninety-one".