289118916 has 48 divisors (see below), whose sum is σ = 751322880. Its totient is φ = 96147360.

The previous prime is 289118911. The next prime is 289118957. The reversal of 289118916 is 619811982.

It is not an unprimeable number, because it can be changed into a prime (289118911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46885 + ... + 52691.

It is an arithmetic number, because the mean of its divisors is an integer number (15652560).

Almost surely, 2^289118916 is an apocalyptic number.

It is an amenable number.

289118916 is an abundant number, since it is smaller than the sum of its proper divisors (462203964).

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

289118916 is a wasteful number, since it uses less digits than its factorization.

289118916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281 (or 6273 counting only the distinct ones).

The product of its digits is 62208, while the sum is 45.

The square root of 289118916 is about 17003.4971697001. The cubic root of 289118916 is about 661.2395712826.

The spelling of 289118916 in words is "two hundred eighty-nine million, one hundred eighteen thousand, nine hundred sixteen".