346648427 has 2 divisors, whose sum is σ = 346648428. Its totient is φ = 346648426.

The previous prime is 346648409. The next prime is 346648441. The reversal of 346648427 is 724846643.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 346648427 - 2⁶ = 346648363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (346648447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173324213 + 173324214.

It is an arithmetic number, because the mean of its divisors is an integer number (173324214).

Almost surely, 2^346648427 is an apocalyptic number.

346648427 is a deficient number, since it is larger than the sum of its proper divisors (1).

346648427 is an equidigital number, since it uses as much as digits as its factorization.

346648427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 44.

The square root of 346648427 is about 18618.4969049599. The cubic root of 346648427 is about 702.4731748473.

The spelling of 346648427 in words is "three hundred forty-six million, six hundred forty-eight thousand, four hundred twenty-seven".