8373999 has 16 divisors (see below), whose sum is σ = 11632640. Its totient is φ = 5352480.

The previous prime is 8373997. The next prime is 8374021. The reversal of 8373999 is 9993738.

It is not a de Polignac number, because 8373999 - 2¹ = 8373997 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 (8373991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11457 + ... + 12165.

It is an arithmetic number, because the mean of its divisors is an integer number (727040).

Almost surely, 2^8373999 is an apocalyptic number.

8373999 is a deficient number, since it is larger than the sum of its proper divisors (3258641).

8373999 is a wasteful number, since it uses less digits than its factorization.

8373999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870.

The product of its digits is 367416, while the sum is 48.

The square root of 8373999 is about 2893.7862740707. The cubic root of 8373999 is about 203.0693139345.

It can be divided in two parts, 83739 and 99, that added together give a palindrome (83838).

The spelling of 8373999 in words is "eight million, three hundred seventy-three thousand, nine hundred ninety-nine".