608321 has 12 divisors (see below), whose sum is σ = 726912. Its totient is φ = 498456.

The previous prime is 608303. The next prime is 608339. The reversal of 608321 is 123806.

608321 = T₁₃ + T₁₄ + ... + T₁₅₃.

It is an interprime number because it is at equal distance from previous prime (608303) and next prime (608339).

It is not a de Polignac number, because 608321 - 2¹⁴ = 591937 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 608293 and 608302.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 608321.

It is not an unprimeable number, because it can be changed into a prime (608371) 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, 12920 + ... + 12966.

It is an arithmetic number, because the mean of its divisors is an integer number (60576).

2⁶⁰⁸³²¹ is an apocalyptic number.

It is an amenable number.

608321 is a deficient number, since it is larger than the sum of its proper divisors (118591).

608321 is an equidigital number, since it uses as much as digits as its factorization.

608321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 608321 is about 779.9493573303. The cubic root of 608321 is about 84.7313780464.

It can be divided in two parts, 608 and 321, that added together give a palindrome (929).

The spelling of 608321 in words is "six hundred eight thousand, three hundred twenty-one".