617393 has 8 divisors (see below), whose sum is σ = 714240. Its totient is φ = 522720.

The previous prime is 617387. The next prime is 617401. The reversal of 617393 is 393716.

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 617393 - 2¹² = 613297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (617333) 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 7 ways as a sum of consecutive naturals, for example, 128 + ... + 1118.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

2⁶¹⁷³⁹³ is an apocalyptic number.

It is an amenable number.

617393 is a deficient number, since it is larger than the sum of its proper divisors (96847).

617393 is an equidigital number, since it uses as much as digits as its factorization.

617393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its digits is 3402, while the sum is 29.

The square root of 617393 is about 785.7435968559. The cubic root of 617393 is about 85.1505061272.

The spelling of 617393 in words is "six hundred seventeen thousand, three hundred ninety-three".