6415798 has 4 divisors (see below), whose sum is σ = 9623700. Its totient is φ = 3207898.

The previous prime is 6415789. The next prime is 6415807. The reversal of 6415798 is 8975146.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6415789) and next prime (6415807).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6 + 4¹¹ + 1 + 5³ + 7⁶ + 9⁴ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 6415798.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603948 + ... + 1603951.

It is an arithmetic number, because the mean of its divisors is an integer number (2405925).

Almost surely, 2^6415798 is an apocalyptic number.

6415798 is a deficient number, since it is larger than the sum of its proper divisors (3207902).

6415798 is a wasteful number, since it uses less digits than its factorization.

6415798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207901.

The product of its digits is 60480, while the sum is 40.

The square root of 6415798 is about 2532.9425575800. The cubic root of 6415798 is about 185.8161941111.

The spelling of 6415798 in words is "six million, four hundred fifteen thousand, seven hundred ninety-eight".