616417 has 4 divisors (see below), whose sum is σ = 648880. Its totient is φ = 583956.

The previous prime is 616411. The next prime is 616433. The reversal of 616417 is 714616.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 616417 - 2³ = 616409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616391 and 616400.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16203 + ... + 16240.

It is an arithmetic number, because the mean of its divisors is an integer number (162220).

2⁶¹⁶⁴¹⁷ is an apocalyptic number.

It is an amenable number.

616417 is a deficient number, since it is larger than the sum of its proper divisors (32463).

616417 is a wasteful number, since it uses less digits than its factorization.

616417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32462.

The product of its digits is 1008, while the sum is 25.

The square root of 616417 is about 785.1222834693. The cubic root of 616417 is about 85.1056126663.

The spelling of 616417 in words is "six hundred sixteen thousand, four hundred seventeen".