289022965 has 32 divisors (see below), whose sum is σ = 455178240. Its totient is φ = 170683200.

The previous prime is 289022963. The next prime is 289022999. The reversal of 289022965 is 569220982.

It is not a de Polignac number, because 289022965 - 2¹ = 289022963 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289022963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12441 + ... + 27070.

It is an arithmetic number, because the mean of its divisors is an integer number (14224320).

Almost surely, 2^289022965 is an apocalyptic number.

It is an amenable number.

289022965 is a deficient number, since it is larger than the sum of its proper divisors (166155275).

289022965 is a wasteful number, since it uses less digits than its factorization.

289022965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39553.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 289022965 is about 17000.6754277587. The cubic root of 289022965 is about 661.1664138209.

The spelling of 289022965 in words is "two hundred eighty-nine million, twenty-two thousand, nine hundred sixty-five".