2185260 has 144 divisors (see below), whose sum is σ = 7865088. Its totient is φ = 443520.

The previous prime is 2185241. The next prime is 2185279. The reversal of 2185260 is 625812.

2185260 = T₃₈₁ + T₃₈₂ + ... + T₄₀₈.

It is an interprime number because it is at equal distance from previous prime (2185241) and next prime (2185279).

It is a super-2 number, since 2×2185260² = 9550722535200, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2185260.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50799 + ... + 50841.

2^2185260 is an apocalyptic number.

2185260 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 2185260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3932544).

2185260 is an abundant number, since it is smaller than the sum of its proper divisors (5679828).

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

2185260 is a wasteful number, since it uses less digits than its factorization.

2185260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2185260 is about 1478.2624936052. The cubic root of 2185260 is about 129.7680281304.

It can be divided in two parts, 21852 and 60, that added together give a palindrome (21912).

The spelling of 2185260 in words is "two million, one hundred eighty-five thousand, two hundred sixty".