608621 has 4 divisors (see below), whose sum is σ = 655452. Its totient is φ = 561792.

The previous prime is 608611. The next prime is 608633. The reversal of 608621 is 126806.

608621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 265225 + 343396 = 515^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 608621 - 2¹⁴ = 592237 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608611) 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, 23396 + ... + 23421.

It is an arithmetic number, because the mean of its divisors is an integer number (163863).

2⁶⁰⁸⁶²¹ is an apocalyptic number.

It is an amenable number.

608621 is a deficient number, since it is larger than the sum of its proper divisors (46831).

608621 is a wasteful number, since it uses less digits than its factorization.

608621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46830.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 608621 is about 780.1416538040. The cubic root of 608621 is about 84.7453044854.

The spelling of 608621 in words is "six hundred eight thousand, six hundred twenty-one".