1283828 has 24 divisors (see below), whose sum is σ = 2765952. Its totient is φ = 507744.

The previous prime is 1283797. The next prime is 1283831. The reversal of 1283828 is 8283821.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1283794 and 1283803.

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, 1400 + ... + 2127.

It is an arithmetic number, because the mean of its divisors is an integer number (115248).

2^1283828 is an apocalyptic number.

It is an amenable number.

1283828 is an abundant number, since it is smaller than the sum of its proper divisors (1482124).

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

1283828 is a wasteful number, since it uses less digits than its factorization.

1283828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551 (or 3549 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 1283828 is about 1133.0613399106. The cubic root of 1283828 is about 108.6848343460.

It can be divided in two parts, 128 and 3828, that multiplied together give a palindrome (489984).

The spelling of 1283828 in words is "one million, two hundred eighty-three thousand, eight hundred twenty-eight".