608861 has 4 divisors (see below), whose sum is σ = 664224. Its totient is φ = 553500.

The previous prime is 608857. The next prime is 608863. The reversal of 608861 is 168806.

608861 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 608861 - 2² = 608857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608863) 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, 27665 + ... + 27686.

It is an arithmetic number, because the mean of its divisors is an integer number (166056).

2⁶⁰⁸⁸⁶¹ is an apocalyptic number.

It is an amenable number.

608861 is a deficient number, since it is larger than the sum of its proper divisors (55363).

608861 is a wasteful number, since it uses less digits than its factorization.

608861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55362.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 608861 is about 780.2954568623. The cubic root of 608861 is about 84.7564423420.

The spelling of 608861 in words is "six hundred eight thousand, eight hundred sixty-one".