1883240 has 48 divisors (see below), whose sum is σ = 4479300. Its totient is φ = 712448.

The previous prime is 1883237. The next prime is 1883257. The reversal of 1883240 is 423881.

It can be written as a sum of positive squares in 2 ways, for example, as 1779556 + 103684 = 1334^2 + 322^2 .

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 21116 + ... + 21204.

2^1883240 is an apocalyptic number.

1883240 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 1883240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2239650).

1883240 is an abundant number, since it is smaller than the sum of its proper divisors (2596060).

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

1883240 is a wasteful number, since it uses less digits than its factorization.

1883240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1883240 is about 1372.3119178962. The cubic root of 1883240 is about 123.4909760818.

The spelling of 1883240 in words is "one million, eight hundred eighty-three thousand, two hundred forty".