99384437 has 2 divisors, whose sum is σ = 99384438. Its totient is φ = 99384436.

The previous prime is 99384427. The next prime is 99384503. The reversal of 99384437 is 73448399.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97101316 + 2283121 = 9854^2 + 1511^2 .

It is a cyclic number.

It is not a de Polignac number, because 99384437 - 2¹⁴ = 99368053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99384391 and 99384400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99384407) by changing a digit.

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 as a sum of consecutive naturals, namely, 49692218 + 49692219.

It is an arithmetic number, because the mean of its divisors is an integer number (49692219).

Almost surely, 2^99384437 is an apocalyptic number.

It is an amenable number.

99384437 is a deficient number, since it is larger than the sum of its proper divisors (1).

99384437 is an equidigital number, since it uses as much as digits as its factorization.

99384437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 99384437 is about 9969.1743389310. The cubic root of 99384437 is about 463.2045256676.

The spelling of 99384437 in words is "ninety-nine million, three hundred eighty-four thousand, four hundred thirty-seven".