1848220 has 48 divisors (see below), whose sum is σ = 4386816. Its totient is φ = 648000.

The previous prime is 1848193. The next prime is 1848221. The reversal of 1848220 is 228481.

1848220 = T₃ + T₄ + ... + T₂₂₂.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1848221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6685 + ... + 6955.

It is an arithmetic number, because the mean of its divisors is an integer number (91392).

2^1848220 is an apocalyptic number.

1848220 is a gapful number since it is divisible by the number (10) 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 1848220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2193408).

1848220 is an abundant number, since it is smaller than the sum of its proper divisors (2538596).

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

1848220 is a wasteful number, since it uses less digits than its factorization.

1848220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1848220 is about 1359.4925523886. The cubic root of 1848220 is about 122.7207182766.

The spelling of 1848220 in words is "one million, eight hundred forty-eight thousand, two hundred twenty".