348477449 has 2 divisors, whose sum is σ = 348477450. Its totient is φ = 348477448.

The previous prime is 348477403. The next prime is 348477473. The reversal of 348477449 is 944774843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315701824 + 32775625 = 17768^2 + 5725^2 .

It is a cyclic number.

It is not a de Polignac number, because 348477449 - 2⁸ = 348477193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 348477397 and 348477406.

It is not a weakly prime, because it can be changed into another prime (348477049) 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, 174238724 + 174238725.

It is an arithmetic number, because the mean of its divisors is an integer number (174238725).

Almost surely, 2^348477449 is an apocalyptic number.

It is an amenable number.

348477449 is a deficient number, since it is larger than the sum of its proper divisors (1).

348477449 is an equidigital number, since it uses as much as digits as its factorization.

348477449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 50.

The square root of 348477449 is about 18667.5506963286. The cubic root of 348477449 is about 703.7064952752.

The spelling of 348477449 in words is "three hundred forty-eight million, four hundred seventy-seven thousand, four hundred forty-nine".