1019828 has 12 divisors (see below), whose sum is σ = 1798692. Its totient is φ = 505920.

The previous prime is 1019827. The next prime is 1019839. The reversal of 1019828 is 8289101.

It can be written as a sum of positive squares in 2 ways, for example, as 195364 + 824464 = 442^2 + 908^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1019828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1019827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383 + ... + 1478.

It is an arithmetic number, because the mean of its divisors is an integer number (149891).

2^1019828 is an apocalyptic number.

It is an amenable number.

1019828 is a deficient number, since it is larger than the sum of its proper divisors (778864).

1019828 is a wasteful number, since it uses less digits than its factorization.

1019828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1019828 is about 1009.8653375574. The cubic root of 1019828 is about 100.6566124972.

The spelling of 1019828 in words is "one million, nineteen thousand, eight hundred twenty-eight".