11434643 has 4 divisors (see below), whose sum is σ = 12474168. Its totient is φ = 10395120.

The previous prime is 11434627. The next prime is 11434649. The reversal of 11434643 is 34643411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11434643 - 2⁴ = 11434627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11434649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519746 + ... + 519767.

It is an arithmetic number, because the mean of its divisors is an integer number (3118542).

Almost surely, 2^11434643 is an apocalyptic number.

11434643 is a deficient number, since it is larger than the sum of its proper divisors (1039525).

11434643 is a wasteful number, since it uses less digits than its factorization.

11434643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039524.

The product of its digits is 3456, while the sum is 26.

The square root of 11434643 is about 3381.5148972021. The cubic root of 11434643 is about 225.2894579113.

The spelling of 11434643 in words is "eleven million, four hundred thirty-four thousand, six hundred forty-three".