4052439 has 12 divisors (see below), whose sum is σ = 6108336. Its totient is φ = 2584032.

The previous prime is 4052429. The next prime is 4052441. The reversal of 4052439 is 9342504.

4052439 = 247² + 248² + ... + 300².

It is not a de Polignac number, because 4052439 - 2⁵ = 4052407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9582 + ... + 9995.

It is an arithmetic number, because the mean of its divisors is an integer number (509028).

Almost surely, 2^4052439 is an apocalyptic number.

4052439 is a deficient number, since it is larger than the sum of its proper divisors (2055897).

4052439 is a wasteful number, since it uses less digits than its factorization.

4052439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19606 (or 19603 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4052439 is about 2013.0670629664. The cubic root of 4052439 is about 159.4307767865.

The spelling of 4052439 in words is "four million, fifty-two thousand, four hundred thirty-nine".