289914485 has 16 divisors (see below), whose sum is σ = 407296512. Its totient is φ = 193948800.

The previous prime is 289914451. The next prime is 289914503. The reversal of 289914485 is 584419982.

It is not a de Polignac number, because 289914485 - 2¹⁴ = 289898101 is a prime.

It is a super-2 number, since 2×289914485² = 168100817225630450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99581 + ... + 102450.

It is an arithmetic number, because the mean of its divisors is an integer number (25456032).

Almost surely, 2^289914485 is an apocalyptic number.

It is an amenable number.

289914485 is a deficient number, since it is larger than the sum of its proper divisors (117382027).

289914485 is a wasteful number, since it uses less digits than its factorization.

289914485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202084.

The product of its digits is 829440, while the sum is 50.

The square root of 289914485 is about 17026.8753739493. The cubic root of 289914485 is about 661.8455271599.

The spelling of 289914485 in words is "two hundred eighty-nine million, nine hundred fourteen thousand, four hundred eighty-five".