1928265 has 8 divisors (see below), whose sum is σ = 3085248. Its totient is φ = 1028400.

The previous prime is 1928261. The next prime is 1928287. The reversal of 1928265 is 5628291.

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

It is not a de Polignac number, because 1928265 - 2² = 1928261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1928261) 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, 64261 + ... + 64290.

It is an arithmetic number, because the mean of its divisors is an integer number (385656).

2^1928265 is an apocalyptic number.

1928265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1928265 is a deficient number, since it is larger than the sum of its proper divisors (1156983).

1928265 is a wasteful number, since it uses less digits than its factorization.

1928265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128559.

The product of its digits is 8640, while the sum is 33.

The square root of 1928265 is about 1388.6198183808. The cubic root of 1928265 is about 124.4673871450.

The spelling of 1928265 in words is "one million, nine hundred twenty-eight thousand, two hundred sixty-five".