647460814 has 96 divisors (see below), whose sum is σ = 1356880896. Its totient is φ = 227666880.

The previous prime is 647460797. The next prime is 647460883. The reversal of 647460814 is 418064746.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 658167 + ... + 659149.

It is an arithmetic number, because the mean of its divisors is an integer number (14134176).

Almost surely, 2^647460814 is an apocalyptic number.

647460814 is an abundant number, since it is smaller than the sum of its proper divisors (709420082).

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

647460814 is a wasteful number, since it uses less digits than its factorization.

647460814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 647460814 is about 25445.2513054990. The cubic root of 647460814 is about 865.1096629986.

The spelling of 647460814 in words is "six hundred forty-seven million, four hundred sixty thousand, eight hundred fourteen".