1828805 has 16 divisors (see below), whose sum is σ = 2455488. Its totient is φ = 1296000.

The previous prime is 1828793. The next prime is 1828829. The reversal of 1828805 is 5088281.

It is not a de Polignac number, because 1828805 - 2⁴ = 1828789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1850 + ... + 2660.

It is an arithmetic number, because the mean of its divisors is an integer number (153468).

2^1828805 is an apocalyptic number.

It is an amenable number.

1828805 is a deficient number, since it is larger than the sum of its proper divisors (626683).

1828805 is a wasteful number, since it uses less digits than its factorization.

1828805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 1828805 is about 1352.3331690083. Note that the first 3 decimals coincide. The cubic root of 1828805 is about 122.2894899070.

The spelling of 1828805 in words is "one million, eight hundred twenty-eight thousand, eight hundred five".