10197789 has 8 divisors (see below), whose sum is σ = 15539520. Its totient is φ = 5827296.

The previous prime is 10197757. The next prime is 10197799. The reversal of 10197789 is 98779101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10197789 - 2⁵ = 10197757 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10197789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10197749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242784 + ... + 242825.

It is an arithmetic number, because the mean of its divisors is an integer number (1942440).

Almost surely, 2^10197789 is an apocalyptic number.

It is an amenable number.

10197789 is a deficient number, since it is larger than the sum of its proper divisors (5341731).

10197789 is an equidigital number, since it uses as much as digits as its factorization.

10197789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485619.

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 10197789 is about 3193.3977202973. The cubic root of 10197789 is about 216.8546174512.

The spelling of 10197789 in words is "ten million, one hundred ninety-seven thousand, seven hundred eighty-nine".