647342341 has 8 divisors (see below), whose sum is σ = 669026304. Its totient is φ = 625708560.

The previous prime is 647342329. The next prime is 647342347. The reversal of 647342341 is 143243746.

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

It is a cyclic number.

It is not a de Polignac number, because 647342341 - 2⁹ = 647341829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 647342297 and 647342306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647342347) 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, 14655 + ... + 38851.

It is an arithmetic number, because the mean of its divisors is an integer number (83628288).

Almost surely, 2^647342341 is an apocalyptic number.

It is an amenable number.

647342341 is a deficient number, since it is larger than the sum of its proper divisors (21683963).

647342341 is a wasteful number, since it uses less digits than its factorization.

647342341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25091.

The product of its digits is 48384, while the sum is 34.

The square root of 647342341 is about 25442.9232007645. The cubic root of 647342341 is about 865.0568935815.

The spelling of 647342341 in words is "six hundred forty-seven million, three hundred forty-two thousand, three hundred forty-one".