329474869 has 2 divisors, whose sum is σ = 329474870. Its totient is φ = 329474868.

The previous prime is 329474857. The next prime is 329474923. The reversal of 329474869 is 968474923.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257987844 + 71487025 = 16062^2 + 8455^2 .

It is a cyclic number.

It is not a de Polignac number, because 329474869 - 2⁷ = 329474741 is a prime.

It is a super-2 number, since 2×329474869² = 217107378605134322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329474069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164737434 + 164737435.

It is an arithmetic number, because the mean of its divisors is an integer number (164737435).

Almost surely, 2^329474869 is an apocalyptic number.

It is an amenable number.

329474869 is a deficient number, since it is larger than the sum of its proper divisors (1).

329474869 is an equidigital number, since it uses as much as digits as its factorization.

329474869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 52.

The square root of 329474869 is about 18151.4426148447. The cubic root of 329474869 is about 690.6755751173.

The spelling of 329474869 in words is "three hundred twenty-nine million, four hundred seventy-four thousand, eight hundred sixty-nine".