289973616 has 40 divisors (see below), whose sum is σ = 749713920. Its totient is φ = 96578496.

The previous prime is 289973591. The next prime is 289973683. The reversal of 289973616 is 616379982.

It is a super-2 number, since 2×289973616² = 168169395952230912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101455 + ... + 104273.

It is an arithmetic number, because the mean of its divisors is an integer number (18742848).

Almost surely, 2^289973616 is an apocalyptic number.

It is an amenable number.

289973616 is an abundant number, since it is smaller than the sum of its proper divisors (459740304).

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

289973616 is a wasteful number, since it uses less digits than its factorization.

289973616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973 (or 4967 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 289973616 is about 17028.6116873925. The cubic root of 289973616 is about 661.8905208040.

The spelling of 289973616 in words is "two hundred eighty-nine million, nine hundred seventy-three thousand, six hundred sixteen".