289421334 has 24 divisors (see below), whose sum is σ = 648704160. Its totient is φ = 93146928.

The previous prime is 289421291. The next prime is 289421339. The reversal of 289421334 is 433124982.

289421334 is a `hidden beast` number, since 289 + 42 + 1 + 334 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289421339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276702 + ... + 277745.

It is an arithmetic number, because the mean of its divisors is an integer number (27029340).

Almost surely, 2^289421334 is an apocalyptic number.

289421334 is an abundant number, since it is smaller than the sum of its proper divisors (359282826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289421334 is a wasteful number, since it uses less digits than its factorization.

289421334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554484 (or 554481 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 289421334 is about 17012.3876631118. The cubic root of 289421334 is about 661.4700428465.

It can be divided in two parts, 28942 and 1334, that added together give a square (30276 = 174²).

The spelling of 289421334 in words is "two hundred eighty-nine million, four hundred twenty-one thousand, three hundred thirty-four".