246656 has 32 divisors (see below), whose sum is σ = 514080. Its totient is φ = 117760.

The previous prime is 246643. The next prime is 246661. The reversal of 246656 is 656642.

It is a tau number, because it is divible by the number of its divisors (32).

Its product of digits (8640) is a multiple of the sum of its prime divisors (90).

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 246656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5225 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (16065).

246656 is a Friedman number, since it can be written as 6^6+(6+4)^5*2, using all its digits and the basic arithmetic operations.

2²⁴⁶⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 246656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257040).

246656 is an abundant number, since it is smaller than the sum of its proper divisors (267424).

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

246656 is an equidigital number, since it uses as much as digits as its factorization.

246656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 90 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 246656 is about 496.6447422454. The cubic root of 246656 is about 62.7139123621.

The spelling of 246656 in words is "two hundred forty-six thousand, six hundred fifty-six".