1883840 has 84 divisors (see below), whose sum is σ = 5309616. Its totient is φ = 623616.

The previous prime is 1883773. The next prime is 1883857. The reversal of 1883840 is 483881.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1883797 and 1883806.

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, 64946 + ... + 64974.

2^1883840 is an apocalyptic number.

1883840 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 1883840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2654808).

1883840 is an abundant number, since it is smaller than the sum of its proper divisors (3425776).

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

1883840 is an equidigital number, since it uses as much as digits as its factorization.

1883840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 1883840 is about 1372.5305096791. The cubic root of 1883840 is about 123.5040894251.

The spelling of 1883840 in words is "one million, eight hundred eighty-three thousand, eight hundred forty".