1928395 has 24 divisors (see below), whose sum is σ = 2856384. Its totient is φ = 1241856.

The previous prime is 1928387. The next prime is 1928401. The reversal of 1928395 is 5938291.

It is not a de Polignac number, because 1928395 - 2³ = 1928387 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 3934 + ... + 4396.

It is an arithmetic number, because the mean of its divisors is an integer number (119016).

2^1928395 is an apocalyptic number.

1928395 is a deficient number, since it is larger than the sum of its proper divisors (927989).

1928395 is a wasteful number, since it uses less digits than its factorization.

1928395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 492 counting only the distinct ones).

The product of its digits is 19440, while the sum is 37.

The square root of 1928395 is about 1388.6666266603. Note that the first 4 decimals coincide. The cubic root of 1928395 is about 124.4701842012.

The spelling of 1928395 in words is "one million, nine hundred twenty-eight thousand, three hundred ninety-five".