6398361 has 6 divisors (see below), whose sum is σ = 9242090. Its totient is φ = 4265568.

The previous prime is 6398339. The next prime is 6398389. The reversal of 6398361 is 1638936.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6350400 + 47961 = 2520^2 + 219^2 .

It is not a de Polignac number, because 6398361 - 2⁶ = 6398297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6398261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355456 + ... + 355473.

Almost surely, 2^6398361 is an apocalyptic number.

It is an amenable number.

6398361 is a deficient number, since it is larger than the sum of its proper divisors (2843729).

6398361 is a wasteful number, since it uses less digits than its factorization.

6398361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710935 (or 710932 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6398361 is about 2529.4981715747. The cubic root of 6398361 is about 185.6477028995.

The spelling of 6398361 in words is "six million, three hundred ninety-eight thousand, three hundred sixty-one".