289543452 has 48 divisors (see below), whose sum is σ = 750943872. Its totient is φ = 86082880.

The previous prime is 289543447. The next prime is 289543469. The reversal of 289543452 is 254345982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13698 + ... + 27689.

It is an arithmetic number, because the mean of its divisors is an integer number (15644664).

Almost surely, 2^289543452 is an apocalyptic number.

289543452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

289543452 is an abundant number, since it is smaller than the sum of its proper divisors (461400420).

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

289543452 is a wasteful number, since it uses less digits than its factorization.

289543452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41458 (or 41456 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 289543452 is about 17015.9763751599. The cubic root of 289543452 is about 661.5630629880.

The spelling of 289543452 in words is "two hundred eighty-nine million, five hundred forty-three thousand, four hundred fifty-two".