1882720 has 72 divisors (see below), whose sum is σ = 5210352. Its totient is φ = 629760.

The previous prime is 1882717. The next prime is 1882721. The reversal of 1882720 is 272881.

1882720 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1882721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45900 + ... + 45940.

It is an arithmetic number, because the mean of its divisors is an integer number (72366).

2^1882720 is an apocalyptic number.

1882720 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 1882720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2605176).

1882720 is an abundant number, since it is smaller than the sum of its proper divisors (3327632).

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

1882720 is an equidigital number, since it uses as much as digits as its factorization.

1882720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1882720 is about 1372.1224435159. The cubic root of 1882720 is about 123.4796089311.

The spelling of 1882720 in words is "one million, eight hundred eighty-two thousand, seven hundred twenty".