11469439 has 2 divisors, whose sum is σ = 11469440. Its totient is φ = 11469438.

The previous prime is 11469421. The next prime is 11469449. The reversal of 11469439 is 93496411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11469439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11469398 and 11469407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11469449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5734719 + 5734720.

It is an arithmetic number, because the mean of its divisors is an integer number (5734720).

Almost surely, 2^11469439 is an apocalyptic number.

11469439 is a deficient number, since it is larger than the sum of its proper divisors (1).

11469439 is an equidigital number, since it uses as much as digits as its factorization.

11469439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 11469439 is about 3386.6560203245. The cubic root of 11469439 is about 225.5177476146.

It can be divided in two parts, 1146 and 9439, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 11469439 in words is "eleven million, four hundred sixty-nine thousand, four hundred thirty-nine".