6418147 has 4 divisors (see below), whose sum is σ = 6625216. Its totient is φ = 6211080.

The previous prime is 6418133. The next prime is 6418171. The reversal of 6418147 is 7418146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7418146 = 2 ⋅3709073.

It is a cyclic number.

It is not a de Polignac number, because 6418147 - 2¹⁹ = 5893859 is a prime.

It is a super-2 number, since 2×6418147² = 82385221827218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 207037 = 6418147 / (6 + 4 + 1 + 8 + 1 + 4 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6418117) 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, 103488 + ... + 103549.

It is an arithmetic number, because the mean of its divisors is an integer number (1656304).

Almost surely, 2^6418147 is an apocalyptic number.

6418147 is a deficient number, since it is larger than the sum of its proper divisors (207069).

6418147 is a wasteful number, since it uses less digits than its factorization.

6418147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207068.

The product of its digits is 5376, while the sum is 31.

The square root of 6418147 is about 2533.4062050923. The cubic root of 6418147 is about 185.8388688161.

Subtracting 6418147 from its reverse (7418146), we obtain a palindrome (999999).

The spelling of 6418147 in words is "six million, four hundred eighteen thousand, one hundred forty-seven".