11416391 has 4 divisors (see below), whose sum is σ = 13047312. Its totient is φ = 9785472.

The previous prime is 11416381. The next prime is 11416393. The reversal of 11416391 is 19361411.

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 11416391 - 2²² = 7222087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11416391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11416393) 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 3 ways as a sum of consecutive naturals, for example, 815450 + ... + 815463.

It is an arithmetic number, because the mean of its divisors is an integer number (3261828).

Almost surely, 2^11416391 is an apocalyptic number.

11416391 is a deficient number, since it is larger than the sum of its proper divisors (1630921).

11416391 is an equidigital number, since it uses as much as digits as its factorization.

11416391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630920.

The product of its digits is 648, while the sum is 26.

The square root of 11416391 is about 3378.8150289710. The cubic root of 11416391 is about 225.1695249153.

The spelling of 11416391 in words is "eleven million, four hundred sixteen thousand, three hundred ninety-one".