9490889 has 2 divisors, whose sum is σ = 9490890. Its totient is φ = 9490888.

The previous prime is 9490849. The next prime is 9490903. The reversal of 9490889 is 9880949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 4489 = 3080^2 + 67^2 .

It is a cyclic number.

It is not a de Polignac number, because 9490889 - 2¹² = 9486793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9490849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4745444 + 4745445.

It is an arithmetic number, because the mean of its divisors is an integer number (4745445).

Almost surely, 2^9490889 is an apocalyptic number.

It is an amenable number.

9490889 is a deficient number, since it is larger than the sum of its proper divisors (1).

9490889 is an equidigital number, since it uses as much as digits as its factorization.

9490889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 9490889 is about 3080.7286475767. The cubic root of 9490889 is about 211.7234512606.

The spelling of 9490889 in words is "nine million, four hundred ninety thousand, eight hundred eighty-nine".