1816828 has 12 divisors (see below), whose sum is σ = 3424120. Its totient is φ = 838512.

The previous prime is 1816813. The next prime is 1816831. The reversal of 1816828 is 8286181.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1816793 and 1816802.

It is a congruent number.

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, 17418 + ... + 17521.

2^1816828 is an apocalyptic number.

It is an amenable number.

1816828 is a deficient number, since it is larger than the sum of its proper divisors (1607292).

1816828 is a wasteful number, since it uses less digits than its factorization.

1816828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34956 (or 34954 counting only the distinct ones).

The product of its digits is 6144, while the sum is 34.

The square root of 1816828 is about 1347.8976222251. The cubic root of 1816828 is about 122.0219435580.

The spelling of 1816828 in words is "one million, eight hundred sixteen thousand, eight hundred twenty-eight".