343430993 has 2 divisors, whose sum is σ = 343430994. Its totient is φ = 343430992.

The previous prime is 343430911. The next prime is 343431019. The reversal of 343430993 is 399034343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299566864 + 43864129 = 17308^2 + 6623^2 .

It is a cyclic number.

It is not a de Polignac number, because 343430993 - 2¹⁴ = 343414609 is a prime.

It is not a weakly prime, because it can be changed into another prime (343430903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171715496 + 171715497.

It is an arithmetic number, because the mean of its divisors is an integer number (171715497).

Almost surely, 2^343430993 is an apocalyptic number.

It is an amenable number.

343430993 is a deficient number, since it is larger than the sum of its proper divisors (1).

343430993 is an equidigital number, since it uses as much as digits as its factorization.

343430993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 38.

The square root of 343430993 is about 18531.8912418566. The cubic root of 343430993 is about 700.2930698000.

The spelling of 343430993 in words is "three hundred forty-three million, four hundred thirty thousand, nine hundred ninety-three".