90008003 has 4 divisors (see below), whose sum is σ = 90804648. Its totient is φ = 89211360.

The previous prime is 90007937. The next prime is 90008021. The reversal of 90008003 is 30080009.

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 90008003 - 2²⁰ = 88959427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90008033) 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, 398153 + ... + 398378.

It is an arithmetic number, because the mean of its divisors is an integer number (22701162).

Almost surely, 2^90008003 is an apocalyptic number.

90008003 is a deficient number, since it is larger than the sum of its proper divisors (796645).

90008003 is a wasteful number, since it uses less digits than its factorization.

90008003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796644.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 90008003 is about 9487.2547662641. The cubic root of 90008003 is about 448.1537574776.

The spelling of 90008003 in words is "ninety million, eight thousand, three".