339774647 has 2 divisors, whose sum is σ = 339774648. Its totient is φ = 339774646.

The previous prime is 339774623. The next prime is 339774661. The reversal of 339774647 is 746477933.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 339774647 - 2⁶ = 339774583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 339774595 and 339774604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339779647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169887323 + 169887324.

It is an arithmetic number, because the mean of its divisors is an integer number (169887324).

Almost surely, 2^339774647 is an apocalyptic number.

339774647 is a deficient number, since it is larger than the sum of its proper divisors (1).

339774647 is an equidigital number, since it uses as much as digits as its factorization.

339774647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2667168, while the sum is 50.

The square root of 339774647 is about 18432.9771605132. The cubic root of 339774647 is about 697.7989687976.

The spelling of 339774647 in words is "three hundred thirty-nine million, seven hundred seventy-four thousand, six hundred forty-seven".