289894874 has 16 divisors (see below), whose sum is σ = 439612800. Its totient is φ = 143362224.

The previous prime is 289894873. The next prime is 289894883. The reversal of 289894874 is 478498982.

It is not an unprimeable number, because it can be changed into a prime (289894873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199619 + ... + 201065.

It is an arithmetic number, because the mean of its divisors is an integer number (27475800).

Almost surely, 2^289894874 is an apocalyptic number.

289894874 is a deficient number, since it is larger than the sum of its proper divisors (149717926).

289894874 is a wasteful number, since it uses less digits than its factorization.

289894874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477.

The product of its digits is 9289728, while the sum is 59.

The square root of 289894874 is about 17026.2994805096. The cubic root of 289894874 is about 661.8306035118.

The spelling of 289894874 in words is "two hundred eighty-nine million, eight hundred ninety-four thousand, eight hundred seventy-four".