11380434 has 16 divisors (see below), whose sum is σ = 24511872. Its totient is φ = 3501648.

The previous prime is 11380433. The next prime is 11380477. The reversal of 11380434 is 43408311.

It is not an unprimeable number, because it can be changed into a prime (11380433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72874 + ... + 73029.

It is an arithmetic number, because the mean of its divisors is an integer number (1531992).

Almost surely, 2^11380434 is an apocalyptic number.

11380434 is an abundant number, since it is smaller than the sum of its proper divisors (13131438).

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

11380434 is a wasteful number, since it uses less digits than its factorization.

11380434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145921.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 11380434 is about 3373.4898843779. The cubic root of 11380434 is about 224.9328787440.

Adding to 11380434 its reverse (43408311), we get a palindrome (54788745).

The spelling of 11380434 in words is "eleven million, three hundred eighty thousand, four hundred thirty-four".