6398673 has 4 divisors (see below), whose sum is σ = 8531568. Its totient is φ = 4265780.

The previous prime is 6398671. The next prime is 6398723. The reversal of 6398673 is 3768936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6398673 - 2¹ = 6398671 is a prime.

It is a D-number.

It is a Curzon number.

6398673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6398671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066443 + ... + 1066448.

It is an arithmetic number, because the mean of its divisors is an integer number (2132892).

Almost surely, 2^6398673 is an apocalyptic number.

It is an amenable number.

6398673 is a deficient number, since it is larger than the sum of its proper divisors (2132895).

6398673 is a wasteful number, since it uses less digits than its factorization.

6398673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132894.

The product of its digits is 163296, while the sum is 42.

The square root of 6398673 is about 2529.5598431348. The cubic root of 6398673 is about 185.6507203984.

The spelling of 6398673 in words is "six million, three hundred ninety-eight thousand, six hundred seventy-three".