1810146 has 32 divisors (see below), whose sum is σ = 4072320. Its totient is φ = 532224.

The previous prime is 1810129. The next prime is 1810153. The reversal of 1810146 is 6410181.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290 + ... + 2298.

It is an arithmetic number, because the mean of its divisors is an integer number (127260).

2^1810146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1810146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2036160).

1810146 is an abundant number, since it is smaller than the sum of its proper divisors (2262174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1810146 is a wasteful number, since it uses less digits than its factorization.

1810146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1810146 is about 1345.4166640859. The cubic root of 1810146 is about 121.8721674555.

The spelling of 1810146 in words is "one million, eight hundred ten thousand, one hundred forty-six".