289913898 has 8 divisors (see below), whose sum is σ = 579827808. Its totient is φ = 96637964.

The previous prime is 289913881. The next prime is 289913909. The reversal of 289913898 is 898319982.

289913898 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

289913898 is an admirable 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, 24159486 + ... + 24159497.

It is an arithmetic number, because the mean of its divisors is an integer number (72478476).

Almost surely, 2^289913898 is an apocalyptic number.

289913898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289913898 is a wasteful number, since it uses less digits than its factorization.

289913898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48318988.

The product of its digits is 2239488, while the sum is 57.

The square root of 289913898 is about 17026.8581364854. The cubic root of 289913898 is about 661.8450804724.

The spelling of 289913898 in words is "two hundred eighty-nine million, nine hundred thirteen thousand, eight hundred ninety-eight".