339057409 has 2 divisors, whose sum is σ = 339057410. Its totient is φ = 339057408.

The previous prime is 339057379. The next prime is 339057419. The reversal of 339057409 is 904750933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301786384 + 37271025 = 17372^2 + 6105^2 .

It is an emirp because it is prime and its reverse (904750933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 339057409 - 2⁷ = 339057281 is a prime.

It is a super-2 number, since 2×339057409² = 229919853195586562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (339057419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169528704 + 169528705.

It is an arithmetic number, because the mean of its divisors is an integer number (169528705).

Almost surely, 2^339057409 is an apocalyptic number.

It is an amenable number.

339057409 is a deficient number, since it is larger than the sum of its proper divisors (1).

339057409 is an equidigital number, since it uses as much as digits as its factorization.

339057409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 339057409 is about 18413.5115879617. The cubic root of 339057409 is about 697.3076230203.

It can be divided in two parts, 33905 and 7409, that added together give a palindrome (41314).

The spelling of 339057409 in words is "three hundred thirty-nine million, fifty-seven thousand, four hundred nine".