608635 has 4 divisors (see below), whose sum is σ = 730368. Its totient is φ = 486904.

The previous prime is 608633. The next prime is 608653. The reversal of 608635 is 536806.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 536806 = 2 ⋅268403.

It is a cyclic number.

It is not a de Polignac number, because 608635 - 2¹ = 608633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (608633) 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, 60859 + ... + 60868.

It is an arithmetic number, because the mean of its divisors is an integer number (182592).

2⁶⁰⁸⁶³⁵ is an apocalyptic number.

608635 is a deficient number, since it is larger than the sum of its proper divisors (121733).

608635 is a wasteful number, since it uses less digits than its factorization.

608635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121732.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 608635 is about 780.1506264818. The cubic root of 608635 is about 84.7459542741.

The spelling of 608635 in words is "six hundred eight thousand, six hundred thirty-five".