2011828 has 24 divisors (see below), whose sum is σ = 4333952. Its totient is φ = 795744.

The previous prime is 2011811. The next prime is 2011843. The reversal of 2011828 is 8281102.

It is a junction number, because it is equal to n+sod(n) for n = 2011799 and 2011808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2400 + ... + 3127.

2^2011828 is an apocalyptic number.

2011828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2011828 is an abundant number, since it is smaller than the sum of its proper divisors (2322124).

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

2011828 is a wasteful number, since it uses less digits than its factorization.

2011828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5551 (or 5549 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 2011828 is about 1418.3892272575. The cubic root of 2011828 is about 126.2399894033.

The spelling of 2011828 in words is "two million, eleven thousand, eight hundred twenty-eight".