339793661 has 2 divisors, whose sum is σ = 339793662. Its totient is φ = 339793660.

The previous prime is 339793631. The next prime is 339793673. The reversal of 339793661 is 166397933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261824761 + 77968900 = 16181^2 + 8830^2 .

It is a cyclic number.

It is not a de Polignac number, because 339793661 - 2²² = 335599357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339793631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169896830 + 169896831.

It is an arithmetic number, because the mean of its divisors is an integer number (169896831).

Almost surely, 2^339793661 is an apocalyptic number.

It is an amenable number.

339793661 is a deficient number, since it is larger than the sum of its proper divisors (1).

339793661 is an equidigital number, since it uses as much as digits as its factorization.

339793661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 47.

The square root of 339793661 is about 18433.4929137155. The cubic root of 339793661 is about 697.8119849758.

The spelling of 339793661 in words is "three hundred thirty-nine million, seven hundred ninety-three thousand, six hundred sixty-one".