6669803 has 4 divisors (see below), whose sum is σ = 7622640. Its totient is φ = 5716968.

The previous prime is 6669781. The next prime is 6669809. The reversal of 6669803 is 3089666.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6669803 - 2⁸ = 6669547 is a prime.

It is a super-3 number, since 3×6669803³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6669809) 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, 476408 + ... + 476421.

It is an arithmetic number, because the mean of its divisors is an integer number (1905660).

Almost surely, 2^6669803 is an apocalyptic number.

6669803 is a deficient number, since it is larger than the sum of its proper divisors (952837).

6669803 is an equidigital number, since it uses as much as digits as its factorization.

6669803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952836.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6669803 is about 2582.5961743951. The cubic root of 6669803 is about 188.2367151758.

The spelling of 6669803 in words is "six million, six hundred sixty-nine thousand, eight hundred three".