616441 has 8 divisors (see below), whose sum is σ = 713664. Its totient is φ = 521520.

The previous prime is 616439. The next prime is 616459. The reversal of 616441 is 144616.

616441 = T₇₈ + T₇₉ + ... + T₁₆₀.

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

It is a cyclic number.

It is not a de Polignac number, because 616441 - 2¹ = 616439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616411) 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, 51 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (89208).

2⁶¹⁶⁴⁴¹ is an apocalyptic number.

It is an amenable number.

616441 is a deficient number, since it is larger than the sum of its proper divisors (97223).

616441 is a wasteful number, since it uses less digits than its factorization.

616441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its digits is 576, while the sum is 22.

The square root of 616441 is about 785.1375675638. The cubic root of 616441 is about 85.1067171720.

The spelling of 616441 in words is "six hundred sixteen thousand, four hundred forty-one".