888439 has 4 divisors (see below), whose sum is σ = 905256. Its totient is φ = 871624.

The previous prime is 888431. The next prime is 888443. The reversal of 888439 is 934888.

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 888439 - 2³ = 888431 is a prime.

It is a Duffinian number.

888439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888431) 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, 8329 + ... + 8434.

It is an arithmetic number, because the mean of its divisors is an integer number (226314).

2⁸⁸⁸⁴³⁹ is an apocalyptic number.

888439 is a deficient number, since it is larger than the sum of its proper divisors (16817).

888439 is a wasteful number, since it uses less digits than its factorization.

888439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16816.

The product of its digits is 55296, while the sum is 40.

The square root of 888439 is about 942.5704217723. The cubic root of 888439 is about 96.1337473150.

The spelling of 888439 in words is "eight hundred eighty-eight thousand, four hundred thirty-nine".