342412387 has 2 divisors, whose sum is σ = 342412388. Its totient is φ = 342412386.

The previous prime is 342412381. The next prime is 342412403. The reversal of 342412387 is 783214243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342412387 - 2³ = 342412379 is a prime.

It is a super-3 number, since 3×342412387³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (342412381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171206193 + 171206194.

It is an arithmetic number, because the mean of its divisors is an integer number (171206194).

Almost surely, 2^342412387 is an apocalyptic number.

342412387 is a deficient number, since it is larger than the sum of its proper divisors (1).

342412387 is an equidigital number, since it uses as much as digits as its factorization.

342412387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 34.

The square root of 342412387 is about 18504.3883173695. The cubic root of 342412387 is about 699.6000347771.

The spelling of 342412387 in words is "three hundred forty-two million, four hundred twelve thousand, three hundred eighty-seven".