6345391 has 8 divisors (see below), whose sum is σ = 6950160. Its totient is φ = 5757312.

The previous prime is 6345377. The next prime is 6345407. The reversal of 6345391 is 1935436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6345391 - 2¹⁷ = 6214319 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 (6345091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3370 + ... + 4903.

It is an arithmetic number, because the mean of its divisors is an integer number (868770).

Almost surely, 2^6345391 is an apocalyptic number.

6345391 is a deficient number, since it is larger than the sum of its proper divisors (604769).

6345391 is a wasteful number, since it uses less digits than its factorization.

6345391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8345.

The product of its digits is 9720, while the sum is 31.

The square root of 6345391 is about 2519.0059547369. The cubic root of 6345391 is about 185.1339764842.

It can be divided in two parts, 63 and 45391, that added together give a palindrome (45454).

The spelling of 6345391 in words is "six million, three hundred forty-five thousand, three hundred ninety-one".