339860561 has 2 divisors, whose sum is σ = 339860562. Its totient is φ = 339860560.

The previous prime is 339860497. The next prime is 339860579. The reversal of 339860561 is 165068933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264257536 + 75603025 = 16256^2 + 8695^2 .

It is a cyclic number.

It is not a de Polignac number, because 339860561 - 2⁶ = 339860497 is a prime.

It is not a weakly prime, because it can be changed into another prime (339860761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169930280 + 169930281.

It is an arithmetic number, because the mean of its divisors is an integer number (169930281).

Almost surely, 2^339860561 is an apocalyptic number.

It is an amenable number.

339860561 is a deficient number, since it is larger than the sum of its proper divisors (1).

339860561 is an equidigital number, since it uses as much as digits as its factorization.

339860561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 339860561 is about 18435.3074560746. The cubic root of 339860561 is about 697.8577780200.

The spelling of 339860561 in words is "three hundred thirty-nine million, eight hundred sixty thousand, five hundred sixty-one".