1411840 has 36 divisors (see below), whose sum is σ = 3384864. Its totient is φ = 564224.

The previous prime is 1411831. The next prime is 1411847. The reversal of 1411840 is 481141.

It is not an unprimeable number, because it can be changed into a prime (1411847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729 + ... + 1831.

It is an arithmetic number, because the mean of its divisors is an integer number (94024).

2^1411840 is an apocalyptic number.

1411840 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 1411840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1692432).

1411840 is an abundant number, since it is smaller than the sum of its proper divisors (1973024).

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

1411840 is an equidigital number, since it uses as much as digits as its factorization.

1411840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1411840 is about 1188.2087358709. The cubic root of 1411840 is about 112.1833730762.

Adding to 1411840 its reverse (481141), we get a palindrome (1892981).

The spelling of 1411840 in words is "one million, four hundred eleven thousand, eight hundred forty".