339471947 has 2 divisors, whose sum is σ = 339471948. Its totient is φ = 339471946.

The previous prime is 339471931. The next prime is 339471953. The reversal of 339471947 is 749174933.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 339471947 - 2⁴ = 339471931 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (339471907) 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, 169735973 + 169735974.

It is an arithmetic number, because the mean of its divisors is an integer number (169735974).

Almost surely, 2^339471947 is an apocalyptic number.

339471947 is a deficient number, since it is larger than the sum of its proper divisors (1).

339471947 is an equidigital number, since it uses as much as digits as its factorization.

339471947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The square root of 339471947 is about 18424.7645032440. The cubic root of 339471947 is about 697.5916877795.

The spelling of 339471947 in words is "three hundred thirty-nine million, four hundred seventy-one thousand, nine hundred forty-seven".