11439339 has 4 divisors (see below), whose sum is σ = 15252456. Its totient is φ = 7626224.

The previous prime is 11439331. The next prime is 11439343. The reversal of 11439339 is 93393411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93393411 = 3 ⋅31131137.

It is a cyclic number.

It is not a de Polignac number, because 11439339 - 2³ = 11439331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11439331) 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, 1906554 + ... + 1906559.

It is an arithmetic number, because the mean of its divisors is an integer number (3813114).

Almost surely, 2^11439339 is an apocalyptic number.

11439339 is a deficient number, since it is larger than the sum of its proper divisors (3813117).

11439339 is an equidigital number, since it uses as much as digits as its factorization.

11439339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813116.

The product of its digits is 8748, while the sum is 33.

The square root of 11439339 is about 3382.2091892726. The cubic root of 11439339 is about 225.3202944519.

The spelling of 11439339 in words is "eleven million, four hundred thirty-nine thousand, three hundred thirty-nine".