1103436 has 48 divisors (see below), whose sum is σ = 3034080. Its totient is φ = 345600.

The previous prime is 1103371. The next prime is 1103437. The reversal of 1103436 is 6343011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1103437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1536 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (63210).

2^1103436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517040).

1103436 is an abundant number, since it is smaller than the sum of its proper divisors (1930644).

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

1103436 is a wasteful number, since it uses less digits than its factorization.

1103436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1103436 is about 1050.4456197253. The cubic root of 1103436 is about 103.3353820845.

Adding to 1103436 its reverse (6343011), we get a palindrome (7446447).

The spelling of 1103436 in words is "one million, one hundred three thousand, four hundred thirty-six".