289076404 has 12 divisors (see below), whose sum is σ = 518222628. Its totient is φ = 141012800.

The previous prime is 289076387. The next prime is 289076477. The reversal of 289076404 is 404670982.

It can be written as a sum of positive squares in 2 ways, for example, as 16826404 + 272250000 = 4102^2 + 16500^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881167 + ... + 881494.

It is an arithmetic number, because the mean of its divisors is an integer number (43185219).

Almost surely, 2^289076404 is an apocalyptic number.

It is an amenable number.

289076404 is a deficient number, since it is larger than the sum of its proper divisors (229146224).

289076404 is a wasteful number, since it uses less digits than its factorization.

289076404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762706 (or 1762704 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 289076404 is about 17002.2470279666. The cubic root of 289076404 is about 661.2071601731.

The spelling of 289076404 in words is "two hundred eighty-nine million, seventy-six thousand, four hundred four".