8390973 has 8 divisors (see below), whose sum is σ = 11230336. Its totient is φ = 5572800.

The previous prime is 8390959. The next prime is 8390981. The reversal of 8390973 is 3790938.

It is a happy number.

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

It is not a de Polignac number, because 8390973 - 2⁶ = 8390909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8390273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4348 + ... + 5973.

It is an arithmetic number, because the mean of its divisors is an integer number (1403792).

Almost surely, 2^8390973 is an apocalyptic number.

It is an amenable number.

8390973 is a deficient number, since it is larger than the sum of its proper divisors (2839363).

8390973 is a wasteful number, since it uses less digits than its factorization.

8390973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10595.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 8390973 is about 2896.7176251751. The cubic root of 8390973 is about 203.2064277241.

The spelling of 8390973 in words is "eight million, three hundred ninety thousand, nine hundred seventy-three".