1816260 has 24 divisors (see below), whose sum is σ = 5085696. Its totient is φ = 484320.

The previous prime is 1816253. The next prime is 1816261. The reversal of 1816260 is 626181.

It is a self number, because there is not a number n which added to its sum of digits gives 1816260.

It is not an unprimeable number, because it can be changed into a prime (1816261) 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, 15076 + ... + 15195.

It is an arithmetic number, because the mean of its divisors is an integer number (211904).

2^1816260 is an apocalyptic number.

1816260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1816260 is an abundant number, since it is smaller than the sum of its proper divisors (3269436).

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

1816260 is a wasteful number, since it uses less digits than its factorization.

1816260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30283 (or 30281 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1816260 is about 1347.6869072600. The cubic root of 1816260 is about 122.0092262126.

It can be divided in two parts, 181 and 6260, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 1816260 in words is "one million, eight hundred sixteen thousand, two hundred sixty".