248656 has 10 divisors (see below), whose sum is σ = 481802. Its totient is φ = 124320.

The previous prime is 248641. The next prime is 248657. The reversal of 248656 is 656842.

248656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 234256 + 14400 = 484^2 + 120^2 .

It is an Ulam number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7755 + ... + 7786.

248656 is a Friedman number, since it can be written as 8*((6^5-6)*4+2), using all its digits and the basic arithmetic operations.

2²⁴⁸⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

248656 is a deficient number, since it is larger than the sum of its proper divisors (233146).

248656 is a wasteful number, since it uses less digits than its factorization.

248656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15549 (or 15543 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 248656 is about 498.6541887922. The cubic root of 248656 is about 62.8829606653.

The spelling of 248656 in words is "two hundred forty-eight thousand, six hundred fifty-six".