6386349 has 4 divisors (see below), whose sum is σ = 8515136. Its totient is φ = 4257564.

The previous prime is 6386333. The next prime is 6386357. The reversal of 6386349 is 9436836.

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 6386349 - 2⁴ = 6386333 is a prime.

It is a d-powerful number, because it can be written as 6² + 3¹³ + 8³ + 6⁵ + 3¹⁴ + 4 + 9³ .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6386749) 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, 1064389 + ... + 1064394.

It is an arithmetic number, because the mean of its divisors is an integer number (2128784).

Almost surely, 2^6386349 is an apocalyptic number.

It is an amenable number.

6386349 is a deficient number, since it is larger than the sum of its proper divisors (2128787).

6386349 is a wasteful number, since it uses less digits than its factorization.

6386349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128786.

The product of its digits is 93312, while the sum is 39.

The square root of 6386349 is about 2527.1226721313. The cubic root of 6386349 is about 185.5314545266.

The spelling of 6386349 in words is "six million, three hundred eighty-six thousand, three hundred forty-nine".