1831828 has 12 divisors (see below), whose sum is σ = 3374560. Its totient is φ = 867672.

The previous prime is 1831811. The next prime is 1831831. The reversal of 1831828 is 8281381.

It is a self number, because there is not a number n which added to its sum of digits gives 1831828.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11976 + ... + 12127.

2^1831828 is an apocalyptic number.

It is an amenable number.

1831828 is a deficient number, since it is larger than the sum of its proper divisors (1542732).

1831828 is a wasteful number, since it uses less digits than its factorization.

1831828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24126 (or 24124 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 1831828 is about 1353.4504054453. The cubic root of 1831828 is about 122.3568339963.

The spelling of 1831828 in words is "one million, eight hundred thirty-one thousand, eight hundred twenty-eight".