342784307 has 2 divisors, whose sum is σ = 342784308. Its totient is φ = 342784306.

The previous prime is 342784259. The next prime is 342784327. The reversal of 342784307 is 703487243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342784307 - 2⁸ = 342784051 is a prime.

It is a super-2 number, since 2×342784307² = 235002162250940498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (342784327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171392153 + 171392154.

It is an arithmetic number, because the mean of its divisors is an integer number (171392154).

Almost surely, 2^342784307 is an apocalyptic number.

342784307 is a deficient number, since it is larger than the sum of its proper divisors (1).

342784307 is an equidigital number, since it uses as much as digits as its factorization.

342784307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 342784307 is about 18514.4350980525. The cubic root of 342784307 is about 699.8532393006.

The spelling of 342784307 in words is "three hundred forty-two million, seven hundred eighty-four thousand, three hundred seven".