289871214 has 8 divisors (see below), whose sum is σ = 579742440. Its totient is φ = 96623736.

The previous prime is 289871171. The next prime is 289871237. The reversal of 289871214 is 412178982.

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

289871214 is an admirable number.

It is a congruent 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, 24155929 + ... + 24155940.

It is an arithmetic number, because the mean of its divisors is an integer number (72467805).

Almost surely, 2^289871214 is an apocalyptic number.

289871214 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.

289871214 is a wasteful number, since it uses less digits than its factorization.

289871214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48311874.

The product of its digits is 64512, while the sum is 42.

The square root of 289871214 is about 17025.6046588660. The cubic root of 289871214 is about 661.8125977454.

The spelling of 289871214 in words is "two hundred eighty-nine million, eight hundred seventy-one thousand, two hundred fourteen".