1103840 has 24 divisors (see below), whose sum is σ = 2608200. Its totient is φ = 441472.

The previous prime is 1103803. The next prime is 1103849. The reversal of 1103840 is 483011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3290 + ... + 3609.

It is an arithmetic number, because the mean of its divisors is an integer number (108675).

2^1103840 is an apocalyptic number.

1103840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103840 is an abundant number, since it is smaller than the sum of its proper divisors (1504360).

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

1103840 is an equidigital number, since it uses as much as digits as its factorization.

1103840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6914 (or 6906 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1103840 is about 1050.6379014675. The cubic root of 1103840 is about 103.3479919082.

Adding to 1103840 its reverse (483011), we get a palindrome (1586851).

The spelling of 1103840 in words is "one million, one hundred three thousand, eight hundred forty".