608647 has 4 divisors (see below), whose sum is σ = 655480. Its totient is φ = 561816.

The previous prime is 608633. The next prime is 608653. The reversal of 608647 is 746806.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 608647 - 2⁷ = 608519 is a prime.

It is a Duffinian number.

608647 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23397 + ... + 23422.

It is an arithmetic number, because the mean of its divisors is an integer number (163870).

2⁶⁰⁸⁶⁴⁷ is an apocalyptic number.

608647 is a deficient number, since it is larger than the sum of its proper divisors (46833).

608647 is a wasteful number, since it uses less digits than its factorization.

608647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46832.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 608647 is about 780.1583172664. The cubic root of 608647 is about 84.7465112280.

The spelling of 608647 in words is "six hundred eight thousand, six hundred forty-seven".