617601 has 8 divisors (see below), whose sum is σ = 830464. Its totient is φ = 408240.

The previous prime is 617587. The next prime is 617647. The reversal of 617601 is 106716.

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

It is not a de Polignac number, because 617601 - 2⁶ = 617537 is a prime.

It is a Duffinian number.

617601 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 617601.

It is not an unprimeable number, because it can be changed into a prime (617651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430 + ... + 1191.

It is an arithmetic number, because the mean of its divisors is an integer number (103808).

2⁶¹⁷⁶⁰¹ is an apocalyptic number.

It is an amenable number.

617601 is a deficient number, since it is larger than the sum of its proper divisors (212863).

617601 is a wasteful number, since it uses less digits than its factorization.

617601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 617601 is about 785.8759444085. The cubic root of 617601 is about 85.1600674691.

The spelling of 617601 in words is "six hundred seventeen thousand, six hundred one".