6348457 has 4 divisors (see below), whose sum is σ = 6354436. Its totient is φ = 6342480.

The previous prime is 6348449. The next prime is 6348467. The reversal of 6348457 is 7548436.

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 1490841 + 4857616 = 1221^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 6348457 - 2³ = 6348449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6348467) 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, 918 + ... + 3679.

It is an arithmetic number, because the mean of its divisors is an integer number (1588609).

Almost surely, 2^6348457 is an apocalyptic number.

It is an amenable number.

6348457 is a deficient number, since it is larger than the sum of its proper divisors (5979).

6348457 is a wasteful number, since it uses less digits than its factorization.

6348457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978.

The product of its digits is 80640, while the sum is 37.

The square root of 6348457 is about 2519.6144546339. The cubic root of 6348457 is about 185.1637896916.

The spelling of 6348457 in words is "six million, three hundred forty-eight thousand, four hundred fifty-seven".