6659450 has 48 divisors (see below), whose sum is σ = 14463360. Its totient is φ = 2233920.

The previous prime is 6659447. The next prime is 6659491. The reversal of 6659450 is 549566.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 6659450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18371 + ... + 18729.

It is an arithmetic number, because the mean of its divisors is an integer number (301320).

Almost surely, 2^6659450 is an apocalyptic number.

6659450 is an abundant number, since it is smaller than the sum of its proper divisors (7803910).

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

6659450 is a wasteful number, since it uses less digits than its factorization.

6659450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 6659450 is about 2580.5910175772. The cubic root of 6659450 is about 188.1392698233.

The spelling of 6659450 in words is "six million, six hundred fifty-nine thousand, four hundred fifty".