1845798 has 8 divisors (see below), whose sum is σ = 3691608. Its totient is φ = 615264.

The previous prime is 1845791. The next prime is 1845827. The reversal of 1845798 is 8975481.

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

1845798 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153811 + ... + 153822.

It is an arithmetic number, because the mean of its divisors is an integer number (461451).

2^1845798 is an apocalyptic number.

1845798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1845798 is a wasteful number, since it uses less digits than its factorization.

1845798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307638.

The product of its digits is 80640, while the sum is 42.

The square root of 1845798 is about 1358.6014868239. The cubic root of 1845798 is about 122.6670883860.

The spelling of 1845798 in words is "one million, eight hundred forty-five thousand, seven hundred ninety-eight".