1140828 has 48 divisors (see below), whose sum is σ = 2935296. Its totient is φ = 342720.

The previous prime is 1140803. The next prime is 1140847. The reversal of 1140828 is 8280411.

It is a junction number, because it is equal to n+sod(n) for n = 1140798 and 1140807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11025 + ... + 11127.

It is an arithmetic number, because the mean of its divisors is an integer number (61152).

2^1140828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467648).

1140828 is an abundant number, since it is smaller than the sum of its proper divisors (1794468).

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

1140828 is a wasteful number, since it uses less digits than its factorization.

1140828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 1140828 is about 1068.0955013481. The cubic root of 1140828 is about 104.4896779408.

The spelling of 1140828 in words is "one million, one hundred forty thousand, eight hundred twenty-eight".