339749647 has 2 divisors, whose sum is σ = 339749648. Its totient is φ = 339749646.

The previous prime is 339749633. The next prime is 339749693. The reversal of 339749647 is 746947933.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 339749647 - 2²³ = 331361039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 339749594 and 339749603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339749147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169874823 + 169874824.

It is an arithmetic number, because the mean of its divisors is an integer number (169874824).

Almost surely, 2^339749647 is an apocalyptic number.

339749647 is a deficient number, since it is larger than the sum of its proper divisors (1).

339749647 is an equidigital number, since it uses as much as digits as its factorization.

339749647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 52.

The square root of 339749647 is about 18432.2990155867. The cubic root of 339749647 is about 697.7818541185.

The spelling of 339749647 in words is "three hundred thirty-nine million, seven hundred forty-nine thousand, six hundred forty-seven".