608921856 has 54 divisors (see below), whose sum is σ = 1755678470. Its totient is φ = 202973184.

The previous prime is 608921837. The next prime is 608921867. The reversal of 608921856 is 658129806.

It can be written as a sum of positive squares in only one way, i.e., 310323456 + 298598400 = 17616^2 + 17280^2 .

It is a zygodrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129841 + ... + 134448.

Almost surely, 2^608921856 is an apocalyptic number.

It is an amenable number.

608921856 is an abundant number, since it is smaller than the sum of its proper divisors (1146756614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

608921856 is a wasteful number, since it uses less digits than its factorization.

608921856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264311 (or 264294 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 608921856 is about 24676.3420303740. The cubic root of 608921856 is about 847.5926606599.

The spelling of 608921856 in words is "six hundred eight million, nine hundred twenty-one thousand, eight hundred fifty-six".