1882240 has 64 divisors (see below), whose sum is σ = 4791960. Its totient is φ = 704512.

The previous prime is 1882229. The next prime is 1882247. The reversal of 1882240 is 422881.

It can be written as a sum of positive squares in 4 ways, for example, as 1871424 + 10816 = 1368^2 + 104^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1882247) 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, 10794 + ... + 10966.

2^1882240 is an apocalyptic number.

1882240 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 1882240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2395980).

1882240 is an abundant number, since it is smaller than the sum of its proper divisors (2909720).

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

1882240 is a wasteful number, since it uses less digits than its factorization.

1882240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 197 counting only the distinct ones).

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

The square root of 1882240 is about 1371.9475208622. The cubic root of 1882240 is about 123.4691143187.

The spelling of 1882240 in words is "one million, eight hundred eighty-two thousand, two hundred forty".