342673399 has 2 divisors, whose sum is σ = 342673400. Its totient is φ = 342673398.

The previous prime is 342673327. The next prime is 342673421. The reversal of 342673399 is 993376243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342673399 - 2⁷ = 342673271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342673699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171336699 + 171336700.

It is an arithmetic number, because the mean of its divisors is an integer number (171336700).

Almost surely, 2^342673399 is an apocalyptic number.

342673399 is a deficient number, since it is larger than the sum of its proper divisors (1).

342673399 is an equidigital number, since it uses as much as digits as its factorization.

342673399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 46.

The square root of 342673399 is about 18511.4396792902. The cubic root of 342673399 is about 699.7777518933. Note that the first 4 decimals are identical.

The spelling of 342673399 in words is "three hundred forty-two million, six hundred seventy-three thousand, three hundred ninety-nine".