289964616 has 16 divisors (see below), whose sum is σ = 724911600. Its totient is φ = 96654864.

The previous prime is 289964593. The next prime is 289964617. The reversal of 289964616 is 616469982.

It is not an unprimeable number, because it can be changed into a prime (289964617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6040906 + ... + 6040953.

It is an arithmetic number, because the mean of its divisors is an integer number (45306975).

Almost surely, 2^289964616 is an apocalyptic number.

It is an amenable number.

289964616 is an abundant number, since it is smaller than the sum of its proper divisors (434946984).

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

289964616 is a wasteful number, since it uses less digits than its factorization.

289964616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12081868 (or 12081864 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 289964616 is about 17028.3474242218. The cubic root of 289964616 is about 661.8836729669.

The spelling of 289964616 in words is "two hundred eighty-nine million, nine hundred sixty-four thousand, six hundred sixteen".