342434087 has 2 divisors, whose sum is σ = 342434088. Its totient is φ = 342434086.

The previous prime is 342434083. The next prime is 342434089. The reversal of 342434087 is 780434243.

It is a strong prime.

It is an emirp because it is prime and its reverse (780434243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342434087 - 2² = 342434083 is a prime.

It is a super-2 number, since 2×342434087² = 234522207879047138, which contains 22 as substring.

Together with 342434089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342434083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171217043 + 171217044.

It is an arithmetic number, because the mean of its divisors is an integer number (171217044).

Almost surely, 2^342434087 is an apocalyptic number.

342434087 is a deficient number, since it is larger than the sum of its proper divisors (1).

342434087 is an equidigital number, since it uses as much as digits as its factorization.

342434087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 342434087 is about 18504.9746554812. The cubic root of 342434087 is about 699.6148132535.

The spelling of 342434087 in words is "three hundred forty-two million, four hundred thirty-four thousand, eighty-seven".