342303621 has 8 divisors (see below), whose sum is σ = 497896224. Its totient is φ = 207456720.

The previous prime is 342303589. The next prime is 342303649. The reversal of 342303621 is 126303243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 342303621 - 2⁵ = 342303589 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 342303591 and 342303600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342303121) 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 7 ways as a sum of consecutive naturals, for example, 5186386 + ... + 5186451.

It is an arithmetic number, because the mean of its divisors is an integer number (62237028).

Almost surely, 2^342303621 is an apocalyptic number.

It is an amenable number.

342303621 is a deficient number, since it is larger than the sum of its proper divisors (155592603).

342303621 is a wasteful number, since it uses less digits than its factorization.

342303621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10372851.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 342303621 is about 18501.4491594578. The cubic root of 342303621 is about 699.5259518306.

Adding to 342303621 its reverse (126303243), we get a palindrome (468606864).

The spelling of 342303621 in words is "three hundred forty-two million, three hundred three thousand, six hundred twenty-one".