99683239 has 2 divisors, whose sum is σ = 99683240. Its totient is φ = 99683238.

The previous prime is 99683201. The next prime is 99683261. The reversal of 99683239 is 93238699.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (93238699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99683239 - 2⁹ = 99682727 is a prime.

It is a super-2 number, since 2×99683239² = 19873496275062242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99683192 and 99683201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99683299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49841619 + 49841620.

It is an arithmetic number, because the mean of its divisors is an integer number (49841620).

Almost surely, 2^99683239 is an apocalyptic number.

99683239 is a deficient number, since it is larger than the sum of its proper divisors (1).

99683239 is an equidigital number, since it uses as much as digits as its factorization.

99683239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 49.

The square root of 99683239 is about 9984.1493879048. The cubic root of 99683239 is about 463.6682735357.

The spelling of 99683239 in words is "ninety-nine million, six hundred eighty-three thousand, two hundred thirty-nine".