8473389 has 4 divisors (see below), whose sum is σ = 11297856. Its totient is φ = 5648924.

The previous prime is 8473369. The next prime is 8473391. The reversal of 8473389 is 9833748.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8473389 - 2¹⁹ = 7949101 is a prime.

It is a super-2 number, since 2×8473389² = 143596642290642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8473389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8473349) 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, 1412229 + ... + 1412234.

It is an arithmetic number, because the mean of its divisors is an integer number (2824464).

Almost surely, 2^8473389 is an apocalyptic number.

It is an amenable number.

8473389 is a deficient number, since it is larger than the sum of its proper divisors (2824467).

8473389 is a wasteful number, since it uses less digits than its factorization.

8473389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824466.

The product of its digits is 145152, while the sum is 42.

The square root of 8473389 is about 2910.9086210323. The cubic root of 8473389 is about 203.8695580945.

The spelling of 8473389 in words is "eight million, four hundred seventy-three thousand, three hundred eighty-nine".