8473993 has 12 divisors (see below), whose sum is σ = 9480240. Its totient is φ = 7566680.

The previous prime is 8473991. The next prime is 8474021. The reversal of 8473993 is 3993748.

It is not a de Polignac number, because 8473993 - 2¹ = 8473991 is a prime.

It is an Ulam number.

8473993 is a modest number, since divided by 3993 gives 847 as remainder.

8473993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8473991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6546 + ... + 7732.

It is an arithmetic number, because the mean of its divisors is an integer number (790020).

Almost surely, 2^8473993 is an apocalyptic number.

It is an amenable number.

8473993 is a deficient number, since it is larger than the sum of its proper divisors (1006247).

8473993 is a wasteful number, since it uses less digits than its factorization.

8473993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1257 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 8473993 is about 2911.0123668580. The cubic root of 8473993 is about 203.8744020551.

The spelling of 8473993 in words is "eight million, four hundred seventy-three thousand, nine hundred ninety-three".