647601 has 8 divisors (see below), whose sum is σ = 870240. Its totient is φ = 428352.

The previous prime is 647593. The next prime is 647609. The reversal of 647601 is 106746.

647601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (647593) and next prime (647609).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 647601 - 2³ = 647593 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 647601.

It is not an unprimeable number, because it can be changed into a prime (647609) 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, 360 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (108780).

2⁶⁴⁷⁶⁰¹ is an apocalyptic number.

It is an amenable number.

647601 is a deficient number, since it is larger than the sum of its proper divisors (222639).

647601 is a wasteful number, since it uses less digits than its factorization.

647601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 647601 is about 804.7366028708. The cubic root of 647601 is about 86.5172095354.

The spelling of 647601 in words is "six hundred forty-seven thousand, six hundred one".