339703381 has 2 divisors, whose sum is σ = 339703382. Its totient is φ = 339703380.

The previous prime is 339703277. The next prime is 339703387. The reversal of 339703381 is 183307933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244640881 + 95062500 = 15641^2 + 9750^2 .

It is an emirp because it is prime and its reverse (183307933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 339703381 - 2¹⁵ = 339670613 is a prime.

It is a super-2 number, since 2×339703381² = 230796774125662322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 339703381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339703387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169851690 + 169851691.

It is an arithmetic number, because the mean of its divisors is an integer number (169851691).

Almost surely, 2^339703381 is an apocalyptic number.

It is an amenable number.

339703381 is a deficient number, since it is larger than the sum of its proper divisors (1).

339703381 is an equidigital number, since it uses as much as digits as its factorization.

339703381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 339703381 is about 18431.0439476444. The cubic root of 339703381 is about 697.7501787942.

The spelling of 339703381 in words is "three hundred thirty-nine million, seven hundred three thousand, three hundred eighty-one".