1928888 has 32 divisors (see below), whose sum is σ = 4127760. Its totient is φ = 837120.

The previous prime is 1928873. The next prime is 1928929. The reversal of 1928888 is 8888291.

1928888 is a modest number, since divided by 8888 gives 192 as remainder.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1223 + ... + 2313.

2^1928888 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 1928888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2063880).

1928888 is an abundant number, since it is smaller than the sum of its proper divisors (2198872).

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

1928888 is a wasteful number, since it uses less digits than its factorization.

1928888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1123 counting only the distinct ones).

The product of its digits is 73728, while the sum is 44.

The square root of 1928888 is about 1388.8441237230. The cubic root of 1928888 is about 124.4807903568.

The spelling of 1928888 in words is "one million, nine hundred twenty-eight thousand, eight hundred eighty-eight".