1806148 has 12 divisors (see below), whose sum is σ = 3346812. Its totient is φ = 849920.

The previous prime is 1806143. The next prime is 1806151. The reversal of 1806148 is 8416081.

It can be written as a sum of positive squares in 2 ways, for example, as 1483524 + 322624 = 1218^2 + 568^2 .

It is not an unprimeable number, because it can be changed into a prime (1806143) 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 3 ways as a sum of consecutive naturals, for example, 13213 + ... + 13348.

It is an arithmetic number, because the mean of its divisors is an integer number (278901).

2^1806148 is an apocalyptic number.

It is an amenable number.

1806148 is a deficient number, since it is larger than the sum of its proper divisors (1540664).

1806148 is a wasteful number, since it uses less digits than its factorization.

1806148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26582 (or 26580 counting only the distinct ones).

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

The square root of 1806148 is about 1343.9300577039. The cubic root of 1806148 is about 121.7823765241.

It can be divided in two parts, 180 and 6148, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 1806148 in words is "one million, eight hundred six thousand, one hundred forty-eight".