10194889 has 2 divisors, whose sum is σ = 10194890. Its totient is φ = 10194888.

The previous prime is 10194881. The next prime is 10194901. The reversal of 10194889 is 98849101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5721664 + 4473225 = 2392^2 + 2115^2 .

It is a cyclic number.

It is not a de Polignac number, because 10194889 - 2³ = 10194881 is a prime.

It is not a weakly prime, because it can be changed into another prime (10194881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5097444 + 5097445.

It is an arithmetic number, because the mean of its divisors is an integer number (5097445).

Almost surely, 2^10194889 is an apocalyptic number.

It is an amenable number.

10194889 is a deficient number, since it is larger than the sum of its proper divisors (1).

10194889 is an equidigital number, since it uses as much as digits as its factorization.

10194889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 10194889 is about 3192.9436261857. The cubic root of 10194889 is about 216.8340594652.

The spelling of 10194889 in words is "ten million, one hundred ninety-four thousand, eight hundred eighty-nine".