4055239 has 4 divisors (see below), whose sum is σ = 4059720. Its totient is φ = 4050760.

The previous prime is 4055221. The next prime is 4055257. The reversal of 4055239 is 9325504.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (4055221) and next prime (4055257).

It is a cyclic number.

It is not a de Polignac number, because 4055239 - 2⁹ = 4054727 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352 + ... + 2869.

It is an arithmetic number, because the mean of its divisors is an integer number (1014930).

Almost surely, 2^4055239 is an apocalyptic number.

4055239 is a deficient number, since it is larger than the sum of its proper divisors (4481).

4055239 is a wasteful number, since it uses less digits than its factorization.

4055239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 4055239 is about 2013.7623990928. The cubic root of 4055239 is about 159.4674874687.

The spelling of 4055239 in words is "four million, fifty-five thousand, two hundred thirty-nine".