647160 has 32 divisors (see below), whose sum is σ = 1941840. Its totient is φ = 172544.

The previous prime is 647147. The next prime is 647161. The reversal of 647160 is 61746.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 647160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647161) by changing a digit.

647160 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 7 ways as a sum of consecutive naturals, for example, 2577 + ... + 2816.

2⁶⁴⁷¹⁶⁰ is an apocalyptic number.

647160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

647160 is an abundant number, since it is smaller than the sum of its proper divisors (1294680).

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

647160 is a wasteful number, since it uses less digits than its factorization.

647160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407 (or 5403 counting only the distinct ones).

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

The square root of 647160 is about 804.4625535101. The cubic root of 647160 is about 86.4975663944.

The spelling of 647160 in words is "six hundred forty-seven thousand, one hundred sixty".