6398608 has 10 divisors (see below), whose sum is σ = 12397334. Its totient is φ = 3199296.

The previous prime is 6398599. The next prime is 6398621. The reversal of 6398608 is 8068936.

It can be written as a sum of positive squares in only one way, i.e., 5071504 + 1327104 = 2252^2 + 1152^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199941 + ... + 199972.

Almost surely, 2^6398608 is an apocalyptic number.

It is an amenable number.

6398608 is a deficient number, since it is larger than the sum of its proper divisors (5998726).

6398608 is a wasteful number, since it uses less digits than its factorization.

6398608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399921 (or 399915 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 6398608 is about 2529.5469950171. The cubic root of 6398608 is about 185.6500917609.

The spelling of 6398608 in words is "six million, three hundred ninety-eight thousand, six hundred eight".