11234340 has 72 divisors (see below), whose sum is σ = 36706488. Its totient is φ = 2764800.

The previous prime is 11234329. The next prime is 11234341. The reversal of 11234340 is 4343211.

It can be written as a sum of positive squares in 4 ways, for example, as 304704 + 10929636 = 552^2 + 3306^2 .

It is a super-3 number, since 3×11234340³ (a number of 22 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11234341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61 + ... + 4740.

Almost surely, 2^11234340 is an apocalyptic number.

11234340 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 11234340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18353244).

11234340 is an abundant number, since it is smaller than the sum of its proper divisors (25472148).

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

11234340 is a wasteful number, since it uses less digits than its factorization.

11234340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829 (or 4824 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 11234340 is about 3351.7666983249. The cubic root of 11234340 is about 223.9662204590.

Adding to 11234340 its reverse (4343211), we get a palindrome (15577551).

The spelling of 11234340 in words is "eleven million, two hundred thirty-four thousand, three hundred forty".