253860 has 24 divisors (see below), whose sum is σ = 710976. Its totient is φ = 67680.

The previous prime is 253853. The next prime is 253867. The reversal of 253860 is 68352.

It is an interprime number because it is at equal distance from previous prime (253853) and next prime (253867).

It is a self number, because there is not a number n which added to its sum of digits gives 253860.

It is not an unprimeable number, because it can be changed into a prime (253867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2056 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (29624).

2²⁵³⁸⁶⁰ is an apocalyptic number.

253860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253860 is an abundant number, since it is smaller than the sum of its proper divisors (457116).

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

253860 is a wasteful number, since it uses less digits than its factorization.

253860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243 (or 4241 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 253860 is about 503.8452143268. The cubic root of 253860 is about 63.3186176952.

The spelling of 253860 in words is "two hundred fifty-three thousand, eight hundred sixty".