1845828 has 48 divisors (see below), whose sum is σ = 4867520. Its totient is φ = 612360.

The previous prime is 1845827. The next prime is 1845829. The reversal of 1845828 is 8285481.

It is an interprime number because it is at equal distance from previous prime (1845827) and next prime (1845829).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1845792 and 1845801.

It is not an unprimeable number, because it can be changed into a prime (1845827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8643 + ... + 8853.

2^1845828 is an apocalyptic number.

1845828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1845828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2433760).

1845828 is an abundant number, since it is smaller than the sum of its proper divisors (3021692).

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

1845828 is an equidigital number, since it uses as much as digits as its factorization.

1845828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 216 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 1845828 is about 1358.6125275442. The cubic root of 1845828 is about 122.6677529572.

The spelling of 1845828 in words is "one million, eight hundred forty-five thousand, eight hundred twenty-eight".