1816028 has 12 divisors (see below), whose sum is σ = 3196032. Its totient is φ = 902880.

The previous prime is 1816027. The next prime is 1816051. The reversal of 1816028 is 8206181.

It is a junction number, because it is equal to n+sod(n) for n = 1815988 and 1816006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1816027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425 + ... + 1952.

It is an arithmetic number, because the mean of its divisors is an integer number (266336).

2^1816028 is an apocalyptic number.

It is an amenable number.

1816028 is a deficient number, since it is larger than the sum of its proper divisors (1380004).

1816028 is a wasteful number, since it uses less digits than its factorization.

1816028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572 (or 2570 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1816028 is about 1347.6008311069. The cubic root of 1816028 is about 122.0040310412.

The spelling of 1816028 in words is "one million, eight hundred sixteen thousand, twenty-eight".