343438087 has 2 divisors, whose sum is σ = 343438088. Its totient is φ = 343438086.

The previous prime is 343438037. The next prime is 343438111. The reversal of 343438087 is 780834343.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343438087 - 2¹⁵ = 343405319 is a prime.

It is a Chen prime.

It is equal to p_18469705 and since 343438087 and 18469705 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343438027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171719043 + 171719044.

It is an arithmetic number, because the mean of its divisors is an integer number (171719044).

Almost surely, 2^343438087 is an apocalyptic number.

343438087 is a deficient number, since it is larger than the sum of its proper divisors (1).

343438087 is an equidigital number, since it uses as much as digits as its factorization.

343438087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 343438087 is about 18532.0826406532. The cubic root of 343438087 is about 700.2978915788.

The spelling of 343438087 in words is "three hundred forty-three million, four hundred thirty-eight thousand, eighty-seven".