100289289 has 8 divisors (see below), whose sum is σ = 133814592. Its totient is φ = 66811760.

The previous prime is 100289251. The next prime is 100289297. The reversal of 100289289 is 982982001.

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

It is a cyclic number.

It is not a de Polignac number, because 100289289 - 2⁹ = 100288777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100289209) 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, 6717 + ... + 15674.

It is an arithmetic number, because the mean of its divisors is an integer number (16726824).

Almost surely, 2^100289289 is an apocalyptic number.

It is an amenable number.

100289289 is a deficient number, since it is larger than the sum of its proper divisors (33525303).

100289289 is a wasteful number, since it uses less digits than its factorization.

100289289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23887.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 100289289 is about 10014.4540040883. The cubic root of 100289289 is about 464.6060393111.

The spelling of 100289289 in words is "one hundred million, two hundred eighty-nine thousand, two hundred eighty-nine".