6398147 has 4 divisors (see below), whose sum is σ = 7312176. Its totient is φ = 5484120.

The previous prime is 6398141. The next prime is 6398149. The reversal of 6398147 is 7418936.

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

It is a cyclic number.

It is not a de Polignac number, because 6398147 - 2⁶ = 6398083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6398147.

It is not an unprimeable number, because it can be changed into a prime (6398141) 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, 457004 + ... + 457017.

It is an arithmetic number, because the mean of its divisors is an integer number (1828044).

Almost surely, 2^6398147 is an apocalyptic number.

6398147 is a deficient number, since it is larger than the sum of its proper divisors (914029).

6398147 is an equidigital number, since it uses as much as digits as its factorization.

6398147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914028.

The product of its digits is 36288, while the sum is 38.

The square root of 6398147 is about 2529.4558703405. The cubic root of 6398147 is about 185.6456331480.

It can be divided in two parts, 6398 and 147, that multiplied together give a triangular number (940506 = T₁₃₇₁).

The spelling of 6398147 in words is "six million, three hundred ninety-eight thousand, one hundred forty-seven".