1928255 has 16 divisors (see below), whose sum is σ = 2717760. Its totient is φ = 1285632.

The previous prime is 1928237. The next prime is 1928257. The reversal of 1928255 is 5528291.

It is a cyclic number.

It is not a de Polignac number, because 1928255 - 2¹⁸ = 1666111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551 + ... + 2039.

It is an arithmetic number, because the mean of its divisors is an integer number (169860).

2^1928255 is an apocalyptic number.

1928255 is a deficient number, since it is larger than the sum of its proper divisors (789505).

1928255 is a wasteful number, since it uses less digits than its factorization.

1928255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538.

The product of its digits is 7200, while the sum is 32.

The square root of 1928255 is about 1388.6162176786. The cubic root of 1928255 is about 124.4671719816.

The spelling of 1928255 in words is "one million, nine hundred twenty-eight thousand, two hundred fifty-five".