2003828 has 6 divisors (see below), whose sum is σ = 3506706. Its totient is φ = 1001912.

The previous prime is 2003819. The next prime is 2003839. The reversal of 2003828 is 8283002.

It can be written as a sum of positive squares in only one way, i.e., 1926544 + 77284 = 1388^2 + 278^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250475 + ... + 250482.

It is an arithmetic number, because the mean of its divisors is an integer number (584451).

2^2003828 is an apocalyptic number.

It is an amenable number.

2003828 is a deficient number, since it is larger than the sum of its proper divisors (1502878).

2003828 is a wasteful number, since it uses less digits than its factorization.

2003828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500961 (or 500959 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2003828 is about 1415.5663177683. The cubic root of 2003828 is about 126.0724367226.

The spelling of 2003828 in words is "two million, three thousand, eight hundred twenty-eight".