99984541 has 2 divisors, whose sum is σ = 99984542. Its totient is φ = 99984540.

The previous prime is 99984529. The next prime is 99984559. The reversal of 99984541 is 14548999.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73462041 + 26522500 = 8571^2 + 5150^2 .

It is an emirp because it is prime and its reverse (14548999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99984541 - 2⁷ = 99984413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99954541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49992270 + 49992271.

It is an arithmetic number, because the mean of its divisors is an integer number (49992271).

Almost surely, 2^99984541 is an apocalyptic number.

It is an amenable number.

99984541 is a deficient number, since it is larger than the sum of its proper divisors (1).

99984541 is an equidigital number, since it uses as much as digits as its factorization.

99984541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 49.

The square root of 99984541 is about 9999.2270201251. The cubic root of 99984541 is about 464.1349640214.

The spelling of 99984541 in words is "ninety-nine million, nine hundred eighty-four thousand, five hundred forty-one".