608392861 has 4 divisors (see below), whose sum is σ = 608443612. Its totient is φ = 608342112.

The previous prime is 608392847. The next prime is 608392913. The reversal of 608392861 is 168293806.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 312759225 + 295633636 = 17685^2 + 17194^2 .

It is a cyclic number.

It is not a de Polignac number, because 608392861 - 2²³ = 600004253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608392801) 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, 3751 + ... + 35083.

It is an arithmetic number, because the mean of its divisors is an integer number (152110903).

Almost surely, 2^608392861 is an apocalyptic number.

It is an amenable number.

608392861 is a deficient number, since it is larger than the sum of its proper divisors (50751).

608392861 is a wasteful number, since it uses less digits than its factorization.

608392861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50750.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 608392861 is about 24665.6210341439. The cubic root of 608392861 is about 847.3471435614.

The spelling of 608392861 in words is "six hundred eight million, three hundred ninety-two thousand, eight hundred sixty-one".