289120893 has 8 divisors (see below), whose sum is σ = 387625056. Its totient is φ = 191682000.

The previous prime is 289120877. The next prime is 289120901. The reversal of 289120893 is 398021982.

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

It is not a de Polignac number, because 289120893 - 2⁴ = 289120877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289120823) 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, 265683 + ... + 266768.

It is an arithmetic number, because the mean of its divisors is an integer number (48453132).

Almost surely, 2^289120893 is an apocalyptic number.

It is an amenable number.

289120893 is a deficient number, since it is larger than the sum of its proper divisors (98504163).

289120893 is a wasteful number, since it uses less digits than its factorization.

289120893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532635.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 289120893 is about 17003.5553047002. Note that the first 3 decimals coincide. The cubic root of 289120893 is about 661.2410784683.

The spelling of 289120893 in words is "two hundred eighty-nine million, one hundred twenty thousand, eight hundred ninety-three".