289473476 has 12 divisors (see below), whose sum is σ = 524047020. Its totient is φ = 139745760.

The previous prime is 289473473. The next prime is 289473491. The reversal of 289473476 is 674374982.

It can be written as a sum of positive squares in 2 ways, for example, as 69722500 + 219750976 = 8350^2 + 14824^2 .

It is a super-3 number, since 3×289473476³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (289473473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247615 + ... + 1247846.

It is an arithmetic number, because the mean of its divisors is an integer number (43670585).

Almost surely, 2^289473476 is an apocalyptic number.

It is an amenable number.

289473476 is a deficient number, since it is larger than the sum of its proper divisors (234573544).

289473476 is a wasteful number, since it uses less digits than its factorization.

289473476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495494 (or 2495492 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 50.

The square root of 289473476 is about 17013.9200656404. The cubic root of 289473476 is about 661.5097638298.

It can be divided in two parts, 28947 and 3476, that added together give a palindrome (32423).

The spelling of 289473476 in words is "two hundred eighty-nine million, four hundred seventy-three thousand, four hundred seventy-six".