6387169 has 4 divisors (see below), whose sum is σ = 6664896. Its totient is φ = 6109444.

The previous prime is 6387131. The next prime is 6387179. The reversal of 6387169 is 9617836.

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 not a de Polignac number, because 6387169 - 2⁷ = 6387041 is a prime.

It is a super-2 number, since 2×6387169² = 81591855669122, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (6387109) 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, 138829 + ... + 138874.

It is an arithmetic number, because the mean of its divisors is an integer number (1666224).

Almost surely, 2^6387169 is an apocalyptic number.

It is an amenable number.

6387169 is a deficient number, since it is larger than the sum of its proper divisors (277727).

6387169 is a wasteful number, since it uses less digits than its factorization.

6387169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277726.

The product of its digits is 54432, while the sum is 40.

The square root of 6387169 is about 2527.2849067725. The cubic root of 6387169 is about 185.5393948632.

It can be divided in two parts, 6387 and 169, that added together give a palindrome (6556).

The spelling of 6387169 in words is "six million, three hundred eighty-seven thousand, one hundred sixty-nine".