8423997 has 8 divisors (see below), whose sum is σ = 11251680. Its totient is φ = 5606160.

The previous prime is 8423953. The next prime is 8423999. The reversal of 8423997 is 7993248.

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

It is not a de Polignac number, because 8423997 - 2¹⁴ = 8407613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423999) 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, 154 + ... + 4107.

It is an arithmetic number, because the mean of its divisors is an integer number (1406460).

Almost surely, 2^8423997 is an apocalyptic number.

It is an amenable number.

8423997 is a deficient number, since it is larger than the sum of its proper divisors (2827683).

8423997 is a wasteful number, since it uses less digits than its factorization.

8423997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923.

The product of its digits is 108864, while the sum is 42.

The square root of 8423997 is about 2902.4122725760. The cubic root of 8423997 is about 203.4726624269.

The spelling of 8423997 in words is "eight million, four hundred twenty-three thousand, nine hundred ninety-seven".