6398065 has 8 divisors (see below), whose sum is σ = 7750080. Its totient is φ = 5070192.

The previous prime is 6398057. The next prime is 6398081. The reversal of 6398065 is 5608936.

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

It is a cyclic number.

It is not a de Polignac number, because 6398065 - 2³ = 6398057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5445 + ... + 6514.

It is an arithmetic number, because the mean of its divisors is an integer number (968760).

Almost surely, 2^6398065 is an apocalyptic number.

It is an amenable number.

6398065 is a deficient number, since it is larger than the sum of its proper divisors (1352015).

6398065 is a wasteful number, since it uses less digits than its factorization.

6398065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12071.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6398065 is about 2529.4396612689. The cubic root of 6398065 is about 185.6448400535.

The spelling of 6398065 in words is "six million, three hundred ninety-eight thousand, sixty-five".