6658338 has 8 divisors (see below), whose sum is σ = 13316688. Its totient is φ = 2219444.

The previous prime is 6658331. The next prime is 6658361. The reversal of 6658338 is 8338566.

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

6658338 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6658296 and 6658305.

It is not an unprimeable number, because it can be changed into a prime (6658331) 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, 554856 + ... + 554867.

It is an arithmetic number, because the mean of its divisors is an integer number (1664586).

Almost surely, 2^6658338 is an apocalyptic number.

6658338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6658338 is a wasteful number, since it uses less digits than its factorization.

6658338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109728.

The product of its digits is 103680, while the sum is 39.

The square root of 6658338 is about 2580.3755540619. The cubic root of 6658338 is about 188.1287973612.

It can be divided in two parts, 6658 and 338, that added together give a palindrome (6996).

The spelling of 6658338 in words is "six million, six hundred fifty-eight thousand, three hundred thirty-eight".