343470401 has 2 divisors, whose sum is σ = 343470402. Its totient is φ = 343470400.

The previous prime is 343470389. The next prime is 343470427. The reversal of 343470401 is 104074343.

It is an a-pointer prime, because the next prime (343470427) can be obtained adding 343470401 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194630401 + 148840000 = 13951^2 + 12200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343470401 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (343470481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171735200 + 171735201.

It is an arithmetic number, because the mean of its divisors is an integer number (171735201).

Almost surely, 2^343470401 is an apocalyptic number.

It is an amenable number.

343470401 is a deficient number, since it is larger than the sum of its proper divisors (1).

343470401 is an equidigital number, since it uses as much as digits as its factorization.

343470401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 343470401 is about 18532.9544595566. The cubic root of 343470401 is about 700.3198545053.

The spelling of 343470401 in words is "three hundred forty-three million, four hundred seventy thousand, four hundred one".