647466 has 24 divisors (see below), whose sum is σ = 1359744. Its totient is φ = 205320.

The previous prime is 647453. The next prime is 647477. The reversal of 647466 is 664746.

It is an unprimeable number.

647466 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10945 + ... + 11003.

It is an arithmetic number, because the mean of its divisors is an integer number (56656).

2⁶⁴⁷⁴⁶⁶ is an apocalyptic number.

647466 is an abundant number, since it is smaller than the sum of its proper divisors (712278).

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

647466 is a wasteful number, since it uses less digits than its factorization.

647466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 95 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 647466 is about 804.6527201222. The cubic root of 647466 is about 86.5111972763.

The spelling of 647466 in words is "six hundred forty-seven thousand, four hundred sixty-six".