985670339 has 2 divisors, whose sum is σ = 985670340. Its totient is φ = 985670338.

The previous prime is 985670321. The next prime is 985670341. The reversal of 985670339 is 933076589.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985670339 is a prime.

Together with 985670341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (985670369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492835169 + 492835170.

It is an arithmetic number, because the mean of its divisors is an integer number (492835170).

Almost surely, 2^985670339 is an apocalyptic number.

985670339 is a deficient number, since it is larger than the sum of its proper divisors (1).

985670339 is an equidigital number, since it uses as much as digits as its factorization.

985670339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 985670339 is about 31395.3872248775. The cubic root of 985670339 is about 995.2004474827.

The spelling of 985670339 in words is "nine hundred eighty-five million, six hundred seventy thousand, three hundred thirty-nine".