99406339 has 2 divisors, whose sum is σ = 99406340. Its totient is φ = 99406338.

The previous prime is 99406331. The next prime is 99406343. The reversal of 99406339 is 93360499.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99406339 - 2³ = 99406331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99406295 and 99406304.

It is not a weakly prime, because it can be changed into another prime (99406331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49703169 + 49703170.

It is an arithmetic number, because the mean of its divisors is an integer number (49703170).

Almost surely, 2^99406339 is an apocalyptic number.

99406339 is a deficient number, since it is larger than the sum of its proper divisors (1).

99406339 is an equidigital number, since it uses as much as digits as its factorization.

99406339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 99406339 is about 9970.2727645737. The cubic root of 99406339 is about 463.2385496412.

The spelling of 99406339 in words is "ninety-nine million, four hundred six thousand, three hundred thirty-nine".