343432091 has 2 divisors, whose sum is σ = 343432092. Its totient is φ = 343432090.

The previous prime is 343432081. The next prime is 343432121. The reversal of 343432091 is 190234343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343432091 - 2¹⁴ = 343415707 is a prime.

It is a super-2 number, since 2×343432091² = 235891202257264562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343432081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171716045 + 171716046.

It is an arithmetic number, because the mean of its divisors is an integer number (171716046).

Almost surely, 2^343432091 is an apocalyptic number.

343432091 is a deficient number, since it is larger than the sum of its proper divisors (1).

343432091 is an equidigital number, since it uses as much as digits as its factorization.

343432091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 343432091 is about 18531.9208664402. The cubic root of 343432091 is about 700.2938161129.

The spelling of 343432091 in words is "three hundred forty-three million, four hundred thirty-two thousand, ninety-one".