647341311 has 8 divisors (see below), whose sum is σ = 879407280. Its totient is φ = 423418112.

The previous prime is 647341309. The next prime is 647341327. The reversal of 647341311 is 113143746.

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 647341311 - 2¹ = 647341309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647341361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035506 + ... + 2035823.

It is an arithmetic number, because the mean of its divisors is an integer number (109925910).

Almost surely, 2^647341311 is an apocalyptic number.

647341311 is a deficient number, since it is larger than the sum of its proper divisors (232065969).

647341311 is a wasteful number, since it uses less digits than its factorization.

647341311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071385.

The product of its digits is 6048, while the sum is 30.

The square root of 647341311 is about 25442.9029593716. The cubic root of 647341311 is about 865.0564347779.

The spelling of 647341311 in words is "six hundred forty-seven million, three hundred forty-one thousand, three hundred eleven".