16056439 has 4 divisors (see below), whose sum is σ = 18350224. Its totient is φ = 13762656.

The previous prime is 16056431. The next prime is 16056451. The reversal of 16056439 is 93465061.

16056439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 16056439 - 2³ = 16056431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16056431) 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, 1146882 + ... + 1146895.

It is an arithmetic number, because the mean of its divisors is an integer number (4587556).

Almost surely, 2^16056439 is an apocalyptic number.

16056439 is a deficient number, since it is larger than the sum of its proper divisors (2293785).

16056439 is an equidigital number, since it uses as much as digits as its factorization.

16056439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293784.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 16056439 is about 4007.0486645410. The cubic root of 16056439 is about 252.2801484670.

The spelling of 16056439 in words is "sixteen million, fifty-six thousand, four hundred thirty-nine".