289474490 has 8 divisors (see below), whose sum is σ = 521054100. Its totient is φ = 115789792.

The previous prime is 289474459. The next prime is 289474513. The reversal of 289474490 is 94474982.

It can be written as a sum of positive squares in 2 ways, for example, as 274598041 + 14876449 = 16571^2 + 3857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 14473715 + ... + 14473734.

Almost surely, 2^289474490 is an apocalyptic number.

289474490 is a deficient number, since it is larger than the sum of its proper divisors (231579610).

289474490 is a wasteful number, since it uses less digits than its factorization.

289474490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28947456.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 289474490 is about 17013.9498647433. The cubic root of 289474490 is about 661.5105362323.

The spelling of 289474490 in words is "two hundred eighty-nine million, four hundred seventy-four thousand, four hundred ninety".