1801846 has 8 divisors (see below), whose sum is σ = 2845080. Its totient is φ = 853488.

The previous prime is 1801823. The next prime is 1801853. The reversal of 1801846 is 6481081.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23671 + ... + 23746.

It is an arithmetic number, because the mean of its divisors is an integer number (355635).

2^1801846 is an apocalyptic number.

1801846 is a deficient number, since it is larger than the sum of its proper divisors (1043234).

1801846 is a wasteful number, since it uses less digits than its factorization.

1801846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47438.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1801846 is about 1342.3285737851. The cubic root of 1801846 is about 121.6856099442.

It can be divided in two parts, 18018 and 46, that multiplied together give a palindrome (828828).

The spelling of 1801846 in words is "one million, eight hundred one thousand, eight hundred forty-six".