608643 has 12 divisors (see below), whose sum is σ = 1004848. Its totient is φ = 347760.

The previous prime is 608633. The next prime is 608653. The reversal of 608643 is 346806.

It is an interprime number because it is at equal distance from previous prime (608633) and next prime (608653).

It is not a de Polignac number, because 608643 - 2⁵ = 608611 is a prime.

It is an Ulam number.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4768 + ... + 4893.

2⁶⁰⁸⁶⁴³ is an apocalyptic number.

608643 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

608643 is a deficient number, since it is larger than the sum of its proper divisors (396205).

608643 is a wasteful number, since it uses less digits than its factorization.

608643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9674 (or 9671 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 608643 is about 780.1557536800. The cubic root of 608643 is about 84.7463255775.

The spelling of 608643 in words is "six hundred eight thousand, six hundred forty-three".