343459957 has 2 divisors, whose sum is σ = 343459958. Its totient is φ = 343459956.

The previous prime is 343459939. The next prime is 343460101. The reversal of 343459957 is 759954343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253000836 + 90459121 = 15906^2 + 9511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343459957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343459957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343459357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171729978 + 171729979.

It is an arithmetic number, because the mean of its divisors is an integer number (171729979).

Almost surely, 2^343459957 is an apocalyptic number.

It is an amenable number.

343459957 is a deficient number, since it is larger than the sum of its proper divisors (1).

343459957 is an equidigital number, since it uses as much as digits as its factorization.

343459957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 49.

The square root of 343459957 is about 18532.6726890646. The cubic root of 343459957 is about 700.3127561598.

The spelling of 343459957 in words is "three hundred forty-three million, four hundred fifty-nine thousand, nine hundred fifty-seven".