339046649 has 2 divisors, whose sum is σ = 339046650. Its totient is φ = 339046648.

The previous prime is 339046613. The next prime is 339046661. The reversal of 339046649 is 946640933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209815225 + 129231424 = 14485^2 + 11368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-339046649 is a prime.

It is a super-2 number, since 2×339046649² = 229905260396258402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (339046679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169523324 + 169523325.

It is an arithmetic number, because the mean of its divisors is an integer number (169523325).

Almost surely, 2^339046649 is an apocalyptic number.

It is an amenable number.

339046649 is a deficient number, since it is larger than the sum of its proper divisors (1).

339046649 is an equidigital number, since it uses as much as digits as its factorization.

339046649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 339046649 is about 18413.2194088921. The cubic root of 339046649 is about 697.3002465808.

The spelling of 339046649 in words is "three hundred thirty-nine million, forty-six thousand, six hundred forty-nine".