342643361 has 4 divisors (see below), whose sum is σ = 342778800. Its totient is φ = 342507924.

The previous prime is 342643349. The next prime is 342643391. The reversal of 342643361 is 163346243.

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 not a de Polignac number, because 342643361 - 2⁶ = 342643297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342643331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63851 + ... + 69008.

It is an arithmetic number, because the mean of its divisors is an integer number (85694700).

Almost surely, 2^342643361 is an apocalyptic number.

It is an amenable number.

342643361 is a deficient number, since it is larger than the sum of its proper divisors (135439).

342643361 is a wasteful number, since it uses less digits than its factorization.

342643361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135438.

The product of its digits is 31104, while the sum is 32.

The square root of 342643361 is about 18510.6283253703. The cubic root of 342643361 is about 699.7573043005.

The spelling of 342643361 in words is "three hundred forty-two million, six hundred forty-three thousand, three hundred sixty-one".