1005873 has 24 divisors (see below), whose sum is σ = 1570464. Its totient is φ = 570240.

The previous prime is 1005833. The next prime is 1005883. The reversal of 1005873 is 3785001.

It is not a de Polignac number, because 1005873 - 2⁸ = 1005617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005833) 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 23 ways as a sum of consecutive naturals, for example, 6090 + ... + 6252.

It is an arithmetic number, because the mean of its divisors is an integer number (65436).

2^1005873 is an apocalyptic number.

It is an amenable number.

1005873 is a deficient number, since it is larger than the sum of its proper divisors (564591).

1005873 is a wasteful number, since it uses less digits than its factorization.

1005873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1005873 is about 1002.9322010984. The cubic root of 1005873 is about 100.1953846664.

The spelling of 1005873 in words is "one million, five thousand, eight hundred seventy-three".