1845648 has 60 divisors (see below), whose sum is σ = 5906368. Its totient is φ = 527040.

The previous prime is 1845637. The next prime is 1845713. The reversal of 1845648 is 8465481.

1845648 is a `hidden beast` number, since 1 + 8 + 4 + 5 + 648 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93 + ... + 1923.

2^1845648 is an apocalyptic number.

1845648 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 1845648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2953184).

1845648 is an abundant number, since it is smaller than the sum of its proper divisors (4060720).

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

1845648 is a wasteful number, since it uses less digits than its factorization.

1845648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852 (or 1843 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 1845648 is about 1358.5462818763. The cubic root of 1845648 is about 122.6637654218.

It can be divided in two parts, 184 and 5648, that added together give a cube (5832 = 18³).

The spelling of 1845648 in words is "one million, eight hundred forty-five thousand, six hundred forty-eight".