347974469 has 2 divisors, whose sum is σ = 347974470. Its totient is φ = 347974468.

The previous prime is 347974463. The next prime is 347974477. The reversal of 347974469 is 964479743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304083844 + 43890625 = 17438^2 + 6625^2 .

It is a cyclic number.

It is not a de Polignac number, because 347974469 - 2⁸ = 347974213 is a prime.

It is a super-2 number, since 2×347974469² = 242172462151663922, 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 347974469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347974463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173987234 + 173987235.

It is an arithmetic number, because the mean of its divisors is an integer number (173987235).

Almost surely, 2^347974469 is an apocalyptic number.

It is an amenable number.

347974469 is a deficient number, since it is larger than the sum of its proper divisors (1).

347974469 is an equidigital number, since it uses as much as digits as its factorization.

347974469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 53.

The square root of 347974469 is about 18654.0737909980. The cubic root of 347974469 is about 703.3677639132.

The spelling of 347974469 in words is "three hundred forty-seven million, nine hundred seventy-four thousand, four hundred sixty-nine".