289000476 has 72 divisors (see below), whose sum is σ = 798505344. Its totient is φ = 87736320.

The previous prime is 289000447. The next prime is 289000483. The reversal of 289000476 is 674000982.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 289000476.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11356 + ... + 26588.

It is an arithmetic number, because the mean of its divisors is an integer number (11090352).

Almost surely, 2^289000476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289000476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399252672).

289000476 is an abundant number, since it is smaller than the sum of its proper divisors (509504868).

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

289000476 is a wasteful number, since it uses less digits than its factorization.

289000476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15291 (or 15286 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 289000476 is about 17000.0139999942. The cubic root of 289000476 is about 661.1492648293.

The spelling of 289000476 in words is "two hundred eighty-nine million, four hundred seventy-six", and thus it is an aban number.