339968665 has 8 divisors (see below), whose sum is σ = 413551368. Its totient is φ = 268248960.

The previous prime is 339968663. The next prime is 339968689. The reversal of 339968665 is 566869933.

It can be written as a sum of positive squares in 4 ways, for example, as 152497801 + 187470864 = 12349^2 + 13692^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 339968665 - 2¹ = 339968663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (339968663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465346 + ... + 466075.

It is an arithmetic number, because the mean of its divisors is an integer number (51693921).

Almost surely, 2^339968665 is an apocalyptic number.

It is an amenable number.

339968665 is a deficient number, since it is larger than the sum of its proper divisors (73582703).

339968665 is an equidigital number, since it uses as much as digits as its factorization.

339968665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931499.

The product of its digits is 6298560, while the sum is 55.

The square root of 339968665 is about 18438.2392055207. The cubic root of 339968665 is about 697.9317624991.

The spelling of 339968665 in words is "three hundred thirty-nine million, nine hundred sixty-eight thousand, six hundred sixty-five".