8473439 has 4 divisors (see below), whose sum is σ = 9125256. Its totient is φ = 7821624.

The previous prime is 8473433. The next prime is 8473457. The reversal of 8473439 is 9343748.

8473439 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 8473439 - 2¹² = 8469343 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8473433) 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, 325889 + ... + 325914.

It is an arithmetic number, because the mean of its divisors is an integer number (2281314).

Almost surely, 2^8473439 is an apocalyptic number.

8473439 is a deficient number, since it is larger than the sum of its proper divisors (651817).

8473439 is a wasteful number, since it uses less digits than its factorization.

8473439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651816.

The product of its digits is 72576, while the sum is 38.

The square root of 8473439 is about 2910.9172094032. The cubic root of 8473439 is about 203.8699590934.

The spelling of 8473439 in words is "eight million, four hundred seventy-three thousand, four hundred thirty-nine".