8942439 has 16 divisors (see below), whose sum is σ = 13140864. Its totient is φ = 5364000.

The previous prime is 8942413. The next prime is 8942443. The reversal of 8942439 is 9342498.

8942439 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8942439 - 2⁹ = 8941927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8942397 and 8942406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8942039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1992 + ... + 4674.

It is an arithmetic number, because the mean of its divisors is an integer number (821304).

Almost surely, 2^8942439 is an apocalyptic number.

8942439 is a deficient number, since it is larger than the sum of its proper divisors (4198425).

8942439 is a wasteful number, since it uses less digits than its factorization.

8942439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798.

The product of its digits is 62208, while the sum is 39.

The square root of 8942439 is about 2990.3911115438. The cubic root of 8942439 is about 207.5639827849.

It can be divided in two parts, 894 and 2439, that added together give a palindrome (3333).

The spelling of 8942439 in words is "eight million, nine hundred forty-two thousand, four hundred thirty-nine".