616223489 has 8 divisors (see below), whose sum is σ = 704491200. Its totient is φ = 528014736.

The previous prime is 616223477. The next prime is 616223513. The reversal of 616223489 is 984322616.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616223489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (616223449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10562 + ... + 36660.

It is an arithmetic number, because the mean of its divisors is an integer number (88061400).

Almost surely, 2^616223489 is an apocalyptic number.

It is an amenable number.

616223489 is a deficient number, since it is larger than the sum of its proper divisors (88267711).

616223489 is a wasteful number, since it uses less digits than its factorization.

616223489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29479.

The product of its digits is 124416, while the sum is 41.

The square root of 616223489 is about 24823.8491978984. The cubic root of 616223489 is about 850.9670603557.

The spelling of 616223489 in words is "six hundred sixteen million, two hundred twenty-three thousand, four hundred eighty-nine".