1928229 has 8 divisors (see below), whose sum is σ = 2579040. Its totient is φ = 1281456.

The previous prime is 1928219. The next prime is 1928237. The reversal of 1928229 is 9228291.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1928229 - 2²⁰ = 879653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1928229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (322380).

2^1928229 is an apocalyptic number.

It is an amenable number.

1928229 is a deficient number, since it is larger than the sum of its proper divisors (650811).

1928229 is a wasteful number, since it uses less digits than its factorization.

1928229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019.

The product of its digits is 5184, while the sum is 33.

The square root of 1928229 is about 1388.6068558091. The cubic root of 1928229 is about 124.4666125533.

The spelling of 1928229 in words is "one million, nine hundred twenty-eight thousand, two hundred twenty-nine".