342443399 has 4 divisors (see below), whose sum is σ = 351698664. Its totient is φ = 333188136.

The previous prime is 342443377. The next prime is 342443411. The reversal of 342443399 is 993344243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993344243 = 307 ⋅3235649.

It is a cyclic number.

It is not a de Polignac number, because 342443399 - 2¹² = 342439303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342443369) 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, 4627577 + ... + 4627650.

It is an arithmetic number, because the mean of its divisors is an integer number (87924666).

Almost surely, 2^342443399 is an apocalyptic number.

342443399 is a deficient number, since it is larger than the sum of its proper divisors (9255265).

342443399 is an equidigital number, since it uses as much as digits as its factorization.

342443399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9255264.

The product of its digits is 279936, while the sum is 41.

The square root of 342443399 is about 18505.2262617889. The cubic root of 342443399 is about 699.6211548672.

The spelling of 342443399 in words is "three hundred forty-two million, four hundred forty-three thousand, three hundred ninety-nine".