289416398 has 16 divisors (see below), whose sum is σ = 483855120. Its totient is φ = 129027456.

The previous prime is 289416373. The next prime is 289416401. The reversal of 289416398 is 893614982.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223361 + ... + 224652.

It is an arithmetic number, because the mean of its divisors is an integer number (30240945).

Almost surely, 2^289416398 is an apocalyptic number.

289416398 is a deficient number, since it is larger than the sum of its proper divisors (194438722).

289416398 is a wasteful number, since it uses less digits than its factorization.

289416398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448051.

The product of its digits is 746496, while the sum is 50.

The square root of 289416398 is about 17012.2425917338. The cubic root of 289416398 is about 661.4662824295.

The spelling of 289416398 in words is "two hundred eighty-nine million, four hundred sixteen thousand, three hundred ninety-eight".