260028 has 36 divisors (see below), whose sum is σ = 681408. Its totient is φ = 83520.

The previous prime is 260023. The next prime is 260047. The reversal of 260028 is 820062.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×260028² = 135229121568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260023) by changing a digit.

260028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1000 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (18928).

2²⁶⁰⁰²⁸ 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 260028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340704).

260028 is an abundant number, since it is smaller than the sum of its proper divisors (421380).

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

260028 is a wasteful number, since it uses less digits than its factorization.

260028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 260028 is about 509.9294068790. The cubic root of 260028 is about 63.8273340617.

It can be divided in two parts, 2600 and 28, that added together give a triangular number (2628 = T₇₂).

The spelling of 260028 in words is "two hundred sixty thousand, twenty-eight".