1827873 has 8 divisors (see below), whose sum is σ = 2708000. Its totient is φ = 1218564.

The previous prime is 1827869. The next prime is 1827901. The reversal of 1827873 is 3787281.

It is not a de Polignac number, because 1827873 - 2² = 1827869 is a prime.

It is a super-2 number, since 2×1827873² = 6682239408258, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

1827873 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1827803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33823 + ... + 33876.

It is an arithmetic number, because the mean of its divisors is an integer number (338500).

2^1827873 is an apocalyptic number.

It is an amenable number.

1827873 is a deficient number, since it is larger than the sum of its proper divisors (880127).

1827873 is an equidigital number, since it uses as much as digits as its factorization.

1827873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67708 (or 67702 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 1827873 is about 1351.9885354544. The cubic root of 1827873 is about 122.2687125558.

The spelling of 1827873 in words is "one million, eight hundred twenty-seven thousand, eight hundred seventy-three".