11204340 has 144 divisors (see below), whose sum is σ = 37844352. Its totient is φ = 2467584.

The previous prime is 11204339. The next prime is 11204363. The reversal of 11204340 is 4340211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108729 + ... + 108831.

It is an arithmetic number, because the mean of its divisors is an integer number (262808).

Almost surely, 2^11204340 is an apocalyptic number.

11204340 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 11204340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18922176).

11204340 is an abundant number, since it is smaller than the sum of its proper divisors (26640012).

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

11204340 is a wasteful number, since it uses less digits than its factorization.

11204340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 11204340 is about 3347.2884548542. The cubic root of 11204340 is about 223.7666841486.

Adding to 11204340 its reverse (4340211), we get a palindrome (15544551).

It can be divided in two parts, 1120 and 4340, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 11204340 in words is "eleven million, two hundred four thousand, three hundred forty".