1812448 has 48 divisors (see below), whose sum is σ = 4112640. Its totient is φ = 777600.

The previous prime is 1812443. The next prime is 1812449. The reversal of 1812448 is 8442181.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1812443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6553 + ... + 6823.

It is an arithmetic number, because the mean of its divisors is an integer number (85680).

2^1812448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1812448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2056320).

1812448 is an abundant number, since it is smaller than the sum of its proper divisors (2300192).

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

1812448 is a wasteful number, since it uses less digits than its factorization.

1812448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 303 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

The square root of 1812448 is about 1346.2718893299. The cubic root of 1812448 is about 121.9238080205.

The spelling of 1812448 in words is "one million, eight hundred twelve thousand, four hundred forty-eight".