1845816 has 32 divisors (see below), whose sum is σ = 5274240. Its totient is φ = 527328.

The previous prime is 1845791. The next prime is 1845827. The reversal of 1845816 is 6185481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5326 + ... + 5661.

It is an arithmetic number, because the mean of its divisors is an integer number (164820).

2^1845816 is an apocalyptic number.

It is an amenable number.

1845816 is an abundant number, since it is smaller than the sum of its proper divisors (3428424).

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

1845816 is a wasteful number, since it uses less digits than its factorization.

1845816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11003 (or 10999 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 1845816 is about 1358.6081112668. The cubic root of 1845816 is about 122.6674871296.

The spelling of 1845816 in words is "one million, eight hundred forty-five thousand, eight hundred sixteen".