890000003 has 2 divisors, whose sum is σ = 890000004. Its totient is φ = 890000002.

The previous prime is 889999991. The next prime is 890000011. The reversal of 890000003 is 300000098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 890000003 - 2¹⁰ = 889998979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 890000003.

It is not a weakly prime, because it can be changed into another prime (890000063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445000001 + 445000002.

It is an arithmetic number, because the mean of its divisors is an integer number (445000002).

Almost surely, 2^890000003 is an apocalyptic number.

890000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

890000003 is an equidigital number, since it uses as much as digits as its factorization.

890000003 is an evil number, because the sum of its binary digits is even.

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

The square root of 890000003 is about 29832.8678306327. The cubic root of 890000003 is about 961.9001726885.

The spelling of 890000003 in words is "eight hundred ninety million, three", and thus it is an aban number.