647463 has 16 divisors (see below), whose sum is σ = 936320. Its totient is φ = 396576.

The previous prime is 647453. The next prime is 647477. The reversal of 647463 is 364746.

647463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 647463 - 2⁶ = 647399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 647463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1956 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (58520).

2⁶⁴⁷⁴⁶³ is an apocalyptic number.

647463 is a deficient number, since it is larger than the sum of its proper divisors (288857).

647463 is a wasteful number, since it uses less digits than its factorization.

647463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366.

The product of its digits is 12096, while the sum is 30.

The square root of 647463 is about 804.6508559618. The cubic root of 647463 is about 86.5110636611.

The spelling of 647463 in words is "six hundred forty-seven thousand, four hundred sixty-three".