289894195 has 4 divisors (see below), whose sum is σ = 347873040. Its totient is φ = 231915352.

The previous prime is 289894159. The next prime is 289894219. The reversal of 289894195 is 591498982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 289894195 - 2⁹ = 289893683 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28989415 + ... + 28989424.

It is an arithmetic number, because the mean of its divisors is an integer number (86968260).

Almost surely, 2^289894195 is an apocalyptic number.

289894195 is a deficient number, since it is larger than the sum of its proper divisors (57978845).

289894195 is an equidigital number, since it uses as much as digits as its factorization.

289894195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57978844.

The product of its digits is 1866240, while the sum is 55.

The square root of 289894195 is about 17026.2795407570. The cubic root of 289894195 is about 661.8300867919.

The spelling of 289894195 in words is "two hundred eighty-nine million, eight hundred ninety-four thousand, one hundred ninety-five".