1001003828 has 48 divisors (see below), whose sum is σ = 2019171840. Its totient is φ = 429429600.

The previous prime is 1001003827. The next prime is 1001003873. The reversal of 1001003828 is 8283001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001003827) 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, 234473 + ... + 238703.

It is an arithmetic number, because the mean of its divisors is an integer number (42066080).

Almost surely, 2^1001003828 is an apocalyptic number.

It is an amenable number.

1001003828 is an abundant number, since it is smaller than the sum of its proper divisors (1018168012).

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

1001003828 is a wasteful number, since it uses less digits than its factorization.

1001003828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548 (or 4546 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1001003828 is about 31638.6445348090. The cubic root of 1001003828 is about 1000.3344974323.

Adding to 1001003828 its reverse (8283001001), we get a palindrome (9284004829).

The spelling of 1001003828 in words is "one billion, one million, three thousand, eight hundred twenty-eight".