6346393 has 4 divisors (see below), whose sum is σ = 6351460. Its totient is φ = 6341328.

The previous prime is 6346391. The next prime is 6346397. The reversal of 6346393 is 3936436.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2152089 + 4194304 = 1467^2 + 2048^2 .

It is a cyclic number.

It is not a de Polignac number, because 6346393 - 2¹ = 6346391 is a prime.

It is a super-2 number, since 2×6346393² = 80553408220898, which contains 22 as substring.

It is a Duffinian number.

6346393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6346391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871 + ... + 3667.

It is an arithmetic number, because the mean of its divisors is an integer number (1587865).

Almost surely, 2^6346393 is an apocalyptic number.

It is an amenable number.

6346393 is a deficient number, since it is larger than the sum of its proper divisors (5067).

6346393 is a wasteful number, since it uses less digits than its factorization.

6346393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066.

The product of its digits is 34992, while the sum is 34.

The square root of 6346393 is about 2519.2048348636. The cubic root of 6346393 is about 185.1437208000.

The spelling of 6346393 in words is "six million, three hundred forty-six thousand, three hundred ninety-three".