343842461 has 2 divisors, whose sum is σ = 343842462. Its totient is φ = 343842460.

The previous prime is 343842451. The next prime is 343842503. The reversal of 343842461 is 164248343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186841561 + 157000900 = 13669^2 + 12530^2 .

It is a cyclic number.

It is not a de Polignac number, because 343842461 - 2⁶ = 343842397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343842451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171921230 + 171921231.

It is an arithmetic number, because the mean of its divisors is an integer number (171921231).

Almost surely, 2^343842461 is an apocalyptic number.

It is an amenable number.

343842461 is a deficient number, since it is larger than the sum of its proper divisors (1).

343842461 is an equidigital number, since it uses as much as digits as its factorization.

343842461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 35.

The square root of 343842461 is about 18542.9895378280. The cubic root of 343842461 is about 700.5726341507.

The spelling of 343842461 in words is "three hundred forty-three million, eight hundred forty-two thousand, four hundred sixty-one".