245860 has 24 divisors (see below), whose sum is σ = 544320. Its totient is φ = 93024.

The previous prime is 245851. The next prime is 245863. The reversal of 245860 is 68542.

245860 is nontrivially palindromic in base 14.

It is not an unprimeable number, because it can be changed into a prime (245863) by changing a digit.

245860 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 57 + ... + 703.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2²⁴⁵⁸⁶⁰ is an apocalyptic number.

245860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272160).

245860 is an abundant number, since it is smaller than the sum of its proper divisors (298460).

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

245860 is a wasteful number, since it uses less digits than its factorization.

245860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 245860 is about 495.8427169980. The cubic root of 245860 is about 62.6463769132.

The spelling of 245860 in words is "two hundred forty-five thousand, eight hundred sixty".