11392439 has 2 divisors, whose sum is σ = 11392440. Its totient is φ = 11392438.

The previous prime is 11392427. The next prime is 11392441. The reversal of 11392439 is 93429311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11392439 is a prime.

Together with 11392441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11397439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5696219 + 5696220.

It is an arithmetic number, because the mean of its divisors is an integer number (5696220).

Almost surely, 2^11392439 is an apocalyptic number.

11392439 is a deficient number, since it is larger than the sum of its proper divisors (1).

11392439 is an equidigital number, since it uses as much as digits as its factorization.

11392439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 11392439 is about 3375.2687300421. The cubic root of 11392439 is about 225.0119433989.

The spelling of 11392439 in words is "eleven million, three hundred ninety-two thousand, four hundred thirty-nine".