1928223 has 12 divisors (see below), whose sum is σ = 3038568. Its totient is φ = 1168560.

The previous prime is 1928219. The next prime is 1928237. The reversal of 1928223 is 3228291.

It is a happy number.

It is not a de Polignac number, because 1928223 - 2² = 1928219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928203) 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 11 ways as a sum of consecutive naturals, for example, 9640 + ... + 9837.

It is an arithmetic number, because the mean of its divisors is an integer number (253214).

2^1928223 is an apocalyptic number.

1928223 is a deficient number, since it is larger than the sum of its proper divisors (1110345).

1928223 is a wasteful number, since it uses less digits than its factorization.

1928223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19494 (or 19491 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1928223 is about 1388.6046953687. The cubic root of 1928223 is about 124.4664834538.

The spelling of 1928223 in words is "one million, nine hundred twenty-eight thousand, two hundred twenty-three".