617493 has 8 divisors (see below), whose sum is σ = 845728. Its totient is φ = 400464.

The previous prime is 617479. The next prime is 617509. The reversal of 617493 is 394716.

It is a happy number.

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

It is not a de Polignac number, because 617493 - 2⁶ = 617429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 617493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617453) 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, 2671 + ... + 2892.

It is an arithmetic number, because the mean of its divisors is an integer number (105716).

2⁶¹⁷⁴⁹³ is an apocalyptic number.

It is an amenable number.

617493 is a deficient number, since it is larger than the sum of its proper divisors (228235).

617493 is a wasteful number, since it uses less digits than its factorization.

617493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603.

The product of its digits is 4536, while the sum is 30.

The square root of 617493 is about 785.8072282691. The cubic root of 617493 is about 85.1551031942.

The spelling of 617493 in words is "six hundred seventeen thousand, four hundred ninety-three".