6398948 has 12 divisors (see below), whose sum is σ = 11222652. Its totient is φ = 3192480.

The previous prime is 6398941. The next prime is 6398981. The reversal of 6398948 is 8498936.

It can be written as a sum of positive squares in 2 ways, for example, as 1827904 + 4571044 = 1352^2 + 2138^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6398941) 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 3 ways as a sum of consecutive naturals, for example, 686 + ... + 3642.

It is an arithmetic number, because the mean of its divisors is an integer number (935221).

Almost surely, 2^6398948 is an apocalyptic number.

It is an amenable number.

6398948 is a deficient number, since it is larger than the sum of its proper divisors (4823704).

6398948 is a wasteful number, since it uses less digits than its factorization.

6398948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 3500 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 6398948 is about 2529.6141998336. The cubic root of 6398948 is about 185.6533799715.

The spelling of 6398948 in words is "six million, three hundred ninety-eight thousand, nine hundred forty-eight".