6699603 has 4 divisors (see below), whose sum is σ = 8932808. Its totient is φ = 4466400.

The previous prime is 6699599. The next prime is 6699607. The reversal of 6699603 is 3069966.

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

It is an interprime number because it is at equal distance from previous prime (6699599) and next prime (6699607).

It is not a de Polignac number, because 6699603 - 2² = 6699599 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6699607) 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, 1116598 + ... + 1116603.

It is an arithmetic number, because the mean of its divisors is an integer number (2233202).

Almost surely, 2^6699603 is an apocalyptic number.

6699603 is a deficient number, since it is larger than the sum of its proper divisors (2233205).

6699603 is a wasteful number, since it uses less digits than its factorization.

6699603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233204.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 6699603 is about 2588.3591327326. The cubic root of 6699603 is about 188.5166395169.

The spelling of 6699603 in words is "six million, six hundred ninety-nine thousand, six hundred three".