617406 has 16 divisors (see below), whose sum is σ = 1307664. Its totient is φ = 193664.

The previous prime is 617401. The next prime is 617411. The reversal of 617406 is 604716.

It is an interprime number because it is at equal distance from previous prime (617401) and next prime (617411).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617401) by changing a digit.

617406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 2925 + ... + 3128.

It is an arithmetic number, because the mean of its divisors is an integer number (81729).

2⁶¹⁷⁴⁰⁶ is an apocalyptic number.

617406 is an abundant number, since it is smaller than the sum of its proper divisors (690258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

617406 is a wasteful number, since it uses less digits than its factorization.

617406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 617406 is about 785.7518692310. The cubic root of 617406 is about 85.1511037740.

The spelling of 617406 in words is "six hundred seventeen thousand, four hundred six".