7998003 has 24 divisors (see below), whose sum is σ = 12540528. Its totient is φ = 4882752.

The previous prime is 7997989. The next prime is 7998013. The reversal of 7998003 is 3008997.

It is not a de Polignac number, because 7998003 - 2⁵ = 7997971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7998013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22876 + ... + 23222.

It is an arithmetic number, because the mean of its divisors is an integer number (522522).

Almost surely, 2^7998003 is an apocalyptic number.

7998003 is a deficient number, since it is larger than the sum of its proper divisors (4542525).

7998003 is a wasteful number, since it uses less digits than its factorization.

7998003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 7998003 is about 2828.0740796521. The cubic root of 7998003 is about 199.9833569484.

The spelling of 7998003 in words is "seven million, nine hundred ninety-eight thousand, three".