608865408 has 72 divisors (see below), whose sum is σ = 1754486955. Its totient is φ = 202675968.

The previous prime is 608865373. The next prime is 608865437. The reversal of 608865408 is 804568806.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 304432704 + 304432704 = 17448^2 + 17448^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=17448.

It is a super-3 number, since 3×608865408³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 837141 + ... + 837867.

Almost surely, 2^608865408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 608865408

608865408 is an abundant number, since it is smaller than the sum of its proper divisors (1145621547).

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

608865408 is an frugal number, since it uses more digits than its factorization.

608865408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 608865408 is about 24675.1982362858. The cubic root of 608865408 is about 847.5664687993.

The spelling of 608865408 in words is "six hundred eight million, eight hundred sixty-five thousand, four hundred eight".