2003821038 has 32 divisors (see below), whose sum is σ = 4482443520. Its totient is φ = 663514200.

The previous prime is 2003821037. The next prime is 2003821069. The reversal of 2003821038 is 8301283002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003821031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114720 + ... + 131027.

It is an arithmetic number, because the mean of its divisors is an integer number (140076360).

Almost surely, 2^2003821038 is an apocalyptic number.

2003821038 is an abundant number, since it is smaller than the sum of its proper divisors (2478622482).

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

2003821038 is a wasteful number, since it uses less digits than its factorization.

2003821038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245909 (or 245903 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2003821038 is about 44764.0596684438. The cubic root of 2003821038 is about 1260.7229071584.

The spelling of 2003821038 in words is "two billion, three million, eight hundred twenty-one thousand, thirty-eight".