1850873 has 4 divisors (see below), whose sum is σ = 1862820. Its totient is φ = 1838928.

The previous prime is 1850843. The next prime is 1850887. The reversal of 1850873 is 3780581.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243049 + 1607824 = 493^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1850873 - 2¹⁰ = 1849849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1850803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5738 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (465705).

2^1850873 is an apocalyptic number.

It is an amenable number.

1850873 is a deficient number, since it is larger than the sum of its proper divisors (11947).

1850873 is a wasteful number, since it uses less digits than its factorization.

1850873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11946.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1850873 is about 1360.4679342050. The cubic root of 1850873 is about 122.7794094150.

It can be divided in two parts, 18508 and 73, that added together give a palindrome (18581).

The spelling of 1850873 in words is "one million, eight hundred fifty thousand, eight hundred seventy-three".