6663338 has 24 divisors (see below), whose sum is σ = 11521440. Its totient is φ = 2865960.

The previous prime is 6663329. The next prime is 6663347. The reversal of 6663338 is 8333666.

It is an interprime number because it is at equal distance from previous prime (6663329) and next prime (6663347).

It is a junction number, because it is equal to n+sod(n) for n = 6663298 and 6663307.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7523 + ... + 8361.

It is an arithmetic number, because the mean of its divisors is an integer number (480060).

Almost surely, 2^6663338 is an apocalyptic number.

6663338 is a deficient number, since it is larger than the sum of its proper divisors (4858102).

6663338 is a wasteful number, since it uses less digits than its factorization.

6663338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 871 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 6663338 is about 2581.3442234619. The cubic root of 6663338 is about 188.1758766088.

It can be divided in two parts, 666 and 3338, that added together give a palindrome (4004).

The spelling of 6663338 in words is "six million, six hundred sixty-three thousand, three hundred thirty-eight".