11434391 has 2 divisors, whose sum is σ = 11434392. Its totient is φ = 11434390.

The previous prime is 11434363. The next prime is 11434393. The reversal of 11434391 is 19343411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11434391 - 2⁶ = 11434327 is a prime.

Together with 11434393, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₇₅₃₂₂₇ and since 11434391 and 753227 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11434391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11434393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5717195 + 5717196.

It is an arithmetic number, because the mean of its divisors is an integer number (5717196).

Almost surely, 2^11434391 is an apocalyptic number.

11434391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11434391 is an equidigital number, since it uses as much as digits as its factorization.

11434391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 11434391 is about 3381.4776355907. The cubic root of 11434391 is about 225.2878029009.

The spelling of 11434391 in words is "eleven million, four hundred thirty-four thousand, three hundred ninety-one".