343420499 has 2 divisors, whose sum is σ = 343420500. Its totient is φ = 343420498.

The previous prime is 343420439. The next prime is 343420507. The reversal of 343420499 is 994024343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343420499 - 2⁸ = 343420243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343420439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171710249 + 171710250.

It is an arithmetic number, because the mean of its divisors is an integer number (171710250).

Almost surely, 2^343420499 is an apocalyptic number.

343420499 is a deficient number, since it is larger than the sum of its proper divisors (1).

343420499 is an equidigital number, since it uses as much as digits as its factorization.

343420499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 343420499 is about 18531.6081061520. The cubic root of 343420499 is about 700.2859369257.

The spelling of 343420499 in words is "three hundred forty-three million, four hundred twenty thousand, four hundred ninety-nine".