6398450 has 24 divisors (see below), whose sum is σ = 12071028. Its totient is φ = 2522880.

The previous prime is 6398437. The next prime is 6398453. The reversal of 6398450 is 548936.

It can be written as a sum of positive squares in 6 ways, for example, as 833569 + 5564881 = 913^2 + 2359^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6398450.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398453) 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 11 ways as a sum of consecutive naturals, for example, 2774 + ... + 4526.

Almost surely, 2^6398450 is an apocalyptic number.

6398450 is a deficient number, since it is larger than the sum of its proper divisors (5672578).

6398450 is a wasteful number, since it uses less digits than its factorization.

6398450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 6398450 is about 2529.5157639359. The cubic root of 6398450 is about 185.6485636704.

The spelling of 6398450 in words is "six million, three hundred ninety-eight thousand, four hundred fifty".