339407081 has 4 divisors (see below), whose sum is σ = 365515332. Its totient is φ = 313298832.

The previous prime is 339407077. The next prime is 339407087. The reversal of 339407081 is 180704933.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24167056 + 315240025 = 4916^2 + 17755^2 .

It is a cyclic number.

It is not a de Polignac number, because 339407081 - 2² = 339407077 is a prime.

It is a super-2 number, since 2×339407081² = 230394333265881122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (339407087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13054106 + ... + 13054131.

It is an arithmetic number, because the mean of its divisors is an integer number (91378833).

Almost surely, 2^339407081 is an apocalyptic number.

It is an amenable number.

339407081 is a deficient number, since it is larger than the sum of its proper divisors (26108251).

339407081 is a wasteful number, since it uses less digits than its factorization.

339407081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26108250.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 339407081 is about 18423.0041252777. The cubic root of 339407081 is about 697.5472532145.

The spelling of 339407081 in words is "three hundred thirty-nine million, four hundred seven thousand, eighty-one".