1928828 has 24 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 860720.

The previous prime is 1928821. The next prime is 1928831. The reversal of 1928828 is 8288291.

It is a junction number, because it is equal to n+sod(n) for n = 1928791 and 1928800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2225 + ... + 2967.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

2^1928828 is an apocalyptic number.

It is an amenable number.

1928828 is a deficient number, since it is larger than the sum of its proper divisors (1820932).

1928828 is a wasteful number, since it uses less digits than its factorization.

1928828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 815 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 1928828 is about 1388.8225228588. The cubic root of 1928828 is about 124.4794996433.

It can be divided in two parts, 1 and 928828, that added together give a palindrome (928829).

The spelling of 1928828 in words is "one million, nine hundred twenty-eight thousand, eight hundred twenty-eight".