999412339 has 2 divisors, whose sum is σ = 999412340. Its totient is φ = 999412338.

The previous prime is 999412313. The next prime is 999412343. The reversal of 999412339 is 933214999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999412339 - 2²⁹ = 462541427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 999412292 and 999412301.

It is not a weakly prime, because it can be changed into another prime (999412639) 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, 499706169 + 499706170.

It is an arithmetic number, because the mean of its divisors is an integer number (499706170).

Almost surely, 2^999412339 is an apocalyptic number.

999412339 is a deficient number, since it is larger than the sum of its proper divisors (1).

999412339 is an equidigital number, since it uses as much as digits as its factorization.

999412339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472392, while the sum is 49.

The square root of 999412339 is about 31613.4834999245. The cubic root of 999412339 is about 999.8040746158.

The spelling of 999412339 in words is "nine hundred ninety-nine million, four hundred twelve thousand, three hundred thirty-nine".