647416364 has 24 divisors (see below), whose sum is σ = 1300981248. Its totient is φ = 276146640.

The previous prime is 647416361. The next prime is 647416373. The reversal of 647416364 is 463614746.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (647416361) 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, 48884 + ... + 60699.

It is an arithmetic number, because the mean of its divisors is an integer number (54207552).

Almost surely, 2^647416364 is an apocalyptic number.

It is an amenable number.

647416364 is an abundant number, since it is smaller than the sum of its proper divisors (653564884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

647416364 is a wasteful number, since it uses less digits than its factorization.

647416364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109805 (or 109803 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 647416364 is about 25444.3778465892. The cubic root of 647416364 is about 865.0898651443.

The spelling of 647416364 in words is "six hundred forty-seven million, four hundred sixteen thousand, three hundred sixty-four".