616844241 has 40 divisors (see below), whose sum is σ = 997860864. Its totient is φ = 377485920.

The previous prime is 616844213. The next prime is 616844273. The reversal of 616844241 is 142448616.

It is a happy number.

It is not a de Polignac number, because 616844241 - 2⁵ = 616844209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 616844196 and 616844205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616844341) 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 39 ways as a sum of consecutive naturals, for example, 199590 + ... + 202656.

Almost surely, 2^616844241 is an apocalyptic number.

It is an amenable number.

616844241 is a deficient number, since it is larger than the sum of its proper divisors (381016623).

616844241 is a wasteful number, since it uses less digits than its factorization.

616844241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283 (or 3274 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 616844241 is about 24836.3491882362. The cubic root of 616844241 is about 851.2527046820.

The spelling of 616844241 in words is "six hundred sixteen million, eight hundred forty-four thousand, two hundred forty-one".