342349889 has 4 divisors (see below), whose sum is σ = 391257024. Its totient is φ = 293442756.

The previous prime is 342349831. The next prime is 342349907. The reversal of 342349889 is 988943243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342349889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342349289) 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 in 3 ways as a sum of consecutive naturals, for example, 24453557 + ... + 24453570.

It is an arithmetic number, because the mean of its divisors is an integer number (97814256).

Almost surely, 2^342349889 is an apocalyptic number.

It is an amenable number.

342349889 is a deficient number, since it is larger than the sum of its proper divisors (48907135).

342349889 is an equidigital number, since it uses as much as digits as its factorization.

342349889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48907134.

The product of its digits is 1492992, while the sum is 50.

The square root of 342349889 is about 18502.6995057478. The cubic root of 342349889 is about 699.5574679142.

The spelling of 342349889 in words is "three hundred forty-two million, three hundred forty-nine thousand, eight hundred eighty-nine".