11009434 has 4 divisors (see below), whose sum is σ = 16514154. Its totient is φ = 5504716.

The previous prime is 11009429. The next prime is 11009447. The reversal of 11009434 is 43490011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43490011 = 61 ⋅712951.

It can be written as a sum of positive squares in only one way, i.e., 7823209 + 3186225 = 2797^2 + 1785^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752357 + ... + 2752360.

Almost surely, 2^11009434 is an apocalyptic number.

11009434 is a deficient number, since it is larger than the sum of its proper divisors (5504720).

11009434 is an equidigital number, since it uses as much as digits as its factorization.

11009434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504719.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 11009434 is about 3318.0467145596. The cubic root of 11009434 is about 222.4615697630.

Adding to 11009434 its reverse (43490011), we get a palindrome (54499445).

The spelling of 11009434 in words is "eleven million, nine thousand, four hundred thirty-four".