339775493 has 2 divisors, whose sum is σ = 339775494. Its totient is φ = 339775492.

The previous prime is 339775483. The next prime is 339775529. The reversal of 339775493 is 394577933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339775489 + 4 = 18433^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 339775493 - 2¹⁴ = 339759109 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339775483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169887746 + 169887747.

It is an arithmetic number, because the mean of its divisors is an integer number (169887747).

Almost surely, 2^339775493 is an apocalyptic number.

It is an amenable number.

339775493 is a deficient number, since it is larger than the sum of its proper divisors (1).

339775493 is an equidigital number, since it uses as much as digits as its factorization.

339775493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2143260, while the sum is 50.

The square root of 339775493 is about 18433.0001085011. Note that the first 3 decimals coincide. The cubic root of 339775493 is about 697.7995479436.

The spelling of 339775493 in words is "three hundred thirty-nine million, seven hundred seventy-five thousand, four hundred ninety-three".