11342340 has 72 divisors (see below), whose sum is σ = 35002968. Its totient is φ = 2972160.

The previous prime is 11342329. The next prime is 11342347. The reversal of 11342340 is 4324311.

It can be written as a sum of positive squares in 4 ways, for example, as 1115136 + 10227204 = 1056^2 + 3198^2 .

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 (11342347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10464 + ... + 11496.

Almost surely, 2^11342340 is an apocalyptic number.

11342340 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 11342340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17501484).

11342340 is an abundant number, since it is smaller than the sum of its proper divisors (23660628).

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

11342340 is a wasteful number, since it uses less digits than its factorization.

11342340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1104 counting only the distinct ones).

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

The square root of 11342340 is about 3367.8390697894. The cubic root of 11342340 is about 224.6816237825.

Adding to 11342340 its reverse (4324311), we get a palindrome (15666651).

It can be divided in two parts, 1 and 1342340, that added together give a triangular number (1342341 = T₁₆₃₈).

The spelling of 11342340 in words is "eleven million, three hundred forty-two thousand, three hundred forty".