248720 has 20 divisors (see below), whose sum is σ = 578460. Its totient is φ = 99456.

The previous prime is 248719. The next prime is 248723. The reversal of 248720 is 27842.

248720 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 2 ways, for example, as 65536 + 183184 = 256^2 + 428^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (248723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475 + ... + 1634.

It is an arithmetic number, because the mean of its divisors is an integer number (28923).

2²⁴⁸⁷²⁰ is an apocalyptic number.

248720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248720 is an abundant number, since it is smaller than the sum of its proper divisors (329740).

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

248720 is a wasteful number, since it uses less digits than its factorization.

248720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122 (or 3116 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 248720 is about 498.7183573922. The cubic root of 248720 is about 62.8883552188. Note that the first 3 decimals are identical.

The spelling of 248720 in words is "two hundred forty-eight thousand, seven hundred twenty".