1806484 has 6 divisors (see below), whose sum is σ = 3161354. Its totient is φ = 903240.

The previous prime is 1806479. The next prime is 1806487. The reversal of 1806484 is 4846081.

It can be written as a sum of positive squares in only one way, i.e., 1258884 + 547600 = 1122^2 + 740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225807 + ... + 225814.

2^1806484 is an apocalyptic number.

It is an amenable number.

1806484 is a deficient number, since it is larger than the sum of its proper divisors (1354870).

1806484 is a wasteful number, since it uses less digits than its factorization.

1806484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451625 (or 451623 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1806484 is about 1344.0550583960. The cubic root of 1806484 is about 121.7899278325.

The spelling of 1806484 in words is "one million, eight hundred six thousand, four hundred eighty-four".