6394349 has 4 divisors (see below), whose sum is σ = 6886236. Its totient is φ = 5902464.

The previous prime is 6394321. The next prime is 6394357. The reversal of 6394349 is 9434936.

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

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 5929225 = 682^2 + 2435^2 .

It is a cyclic number.

It is not a de Polignac number, because 6394349 - 2⁸ = 6394093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394249) 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, 245924 + ... + 245949.

It is an arithmetic number, because the mean of its divisors is an integer number (1721559).

Almost surely, 2^6394349 is an apocalyptic number.

It is an amenable number.

6394349 is a deficient number, since it is larger than the sum of its proper divisors (491887).

6394349 is a wasteful number, since it uses less digits than its factorization.

6394349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491886.

The product of its digits is 69984, while the sum is 38.

The square root of 6394349 is about 2528.7050045428. The cubic root of 6394349 is about 185.6088922148.

The spelling of 6394349 in words is "six million, three hundred ninety-four thousand, three hundred forty-nine".