6456398 has 8 divisors (see below), whose sum is σ = 10429608. Its totient is φ = 2979864.

The previous prime is 6456391. The next prime is 6456403. The reversal of 6456398 is 8936546.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6456391) 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, 124136 + ... + 124187.

It is an arithmetic number, because the mean of its divisors is an integer number (1303701).

Almost surely, 2^6456398 is an apocalyptic number.

6456398 is a deficient number, since it is larger than the sum of its proper divisors (3973210).

6456398 is a wasteful number, since it uses less digits than its factorization.

6456398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248338.

The product of its digits is 155520, while the sum is 41.

The square root of 6456398 is about 2540.9443126523. The cubic root of 6456398 is about 186.2073265296.

The spelling of 6456398 in words is "six million, four hundred fifty-six thousand, three hundred ninety-eight".