1816282 has 8 divisors (see below), whose sum is σ = 2934036. Its totient is φ = 838272.

The previous prime is 1816279. The next prime is 1816301. The reversal of 1816282 is 2826181.

It can be written as a sum of positive squares in 2 ways, for example, as 1687401 + 128881 = 1299^2 + 359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1816282³ = 17975090746335533304, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1816282.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34903 + ... + 34954.

2^1816282 is an apocalyptic number.

1816282 is a deficient number, since it is larger than the sum of its proper divisors (1117754).

1816282 is a wasteful number, since it uses less digits than its factorization.

1816282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69872.

The product of its digits is 1536, while the sum is 28.

The square root of 1816282 is about 1347.6950693684. The cubic root of 1816282 is about 122.0097188352.

The spelling of 1816282 in words is "one million, eight hundred sixteen thousand, two hundred eighty-two".