8390473 has 8 divisors (see below), whose sum is σ = 10326848. Its totient is φ = 6638544.

The previous prime is 8390471. The next prime is 8390479. The reversal of 8390473 is 3740938.

8390473 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8390473 - 2¹ = 8390471 is a prime.

8390473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8390471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46011 + ... + 46192.

It is an arithmetic number, because the mean of its divisors is an integer number (1290856).

Almost surely, 2^8390473 is an apocalyptic number.

It is an amenable number.

8390473 is a deficient number, since it is larger than the sum of its proper divisors (1936375).

8390473 is a wasteful number, since it uses less digits than its factorization.

8390473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92223.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 8390473 is about 2896.6313193087. The cubic root of 8390473 is about 203.2023914329.

The spelling of 8390473 in words is "eight million, three hundred ninety thousand, four hundred seventy-three".