1203828 has 24 divisors (see below), whose sum is σ = 2875488. Its totient is φ = 391776.

The previous prime is 1203827. The next prime is 1203841. The reversal of 1203828 is 8283021.

It is a junction number, because it is equal to n+sod(n) for n = 1203798 and 1203807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651 + ... + 1682.

It is an arithmetic number, because the mean of its divisors is an integer number (119812).

2^1203828 is an apocalyptic number.

It is an amenable number.

1203828 is an abundant number, since it is smaller than the sum of its proper divisors (1671660).

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

1203828 is a wasteful number, since it uses less digits than its factorization.

1203828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383 (or 2381 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1203828 is about 1097.1909587670. The cubic root of 1203828 is about 106.3787330062.

Adding to 1203828 its reverse (8283021), we get a palindrome (9486849).

The spelling of 1203828 in words is "one million, two hundred three thousand, eight hundred twenty-eight".